diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 22:24:23 +0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 22:24:23 +0400 |
commit | 9bd47bf9324d4c6a49292d98019938b04791a35d (patch) | |
tree | 1788cb8c185366459658b49381be2ee2b87816ed | |
parent | 46a50661fc95d4acf5e4c203f7889234238ce642 (diff) | |
parent | d6a1cd4975a5ffaa21a961be04a469519edf50d6 (diff) | |
download | linux-9bd47bf9324d4c6a49292d98019938b04791a35d.tar.xz |
Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (27 commits)
ACPICA: Update version to 20090521.
ACPICA: Disable preservation of SCI enable bit (SCI_EN)
ACPICA: Region deletion: Ensure region object is removed from handler list
ACPICA: Eliminate extra call to NsGetParentNode
ACPICA: Simplify internal operation region interface
ACPICA: Update Load() to use operation region interfaces
ACPICA: New: AcpiInstallMethod - install a single control method
ACPICA: Invalidate DdbHandle after table unload
ACPICA: Fix reference count issues for DdbHandle object
ACPICA: Simplify and optimize NsGetNextNode function
ACPICA: Additional validation of _PRT packages (resource mgr)
ACPICA: Fix DebugObject output for DdbHandle objects
ACPICA: Fix allowable release order for ASL mutex objects
ACPICA: Mutex support: Fix release ordering issue and current sync level
ACPICA: Update version to 20090422.
ACPICA: Linux OSL: cleanup/update/merge
ACPICA: Fix implementation of AML BreakPoint operator (break to debugger)
ACPICA: Fix miscellaneous warnings under gcc 4+
ACPICA: Miscellaneous lint changes
ACPICA: Fix possible dereference of null pointer
...
38 files changed, 571 insertions, 198 deletions
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index 07e20135f01b..0bba148a2c61 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -139,7 +139,7 @@ acpi_status acpi_ev_initialize_op_regions(void); acpi_status acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, u32 function, - acpi_physical_address address, + u32 region_offset, u32 bit_width, acpi_integer * value); acpi_status diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 16e5210ae936..3d87362d17ed 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -362,9 +362,6 @@ extern u8 acpi_gbl_method_executing; extern u8 acpi_gbl_abort_method; extern u8 acpi_gbl_db_terminate_threads; -ACPI_EXTERN int optind; -ACPI_EXTERN char *optarg; - ACPI_EXTERN u8 acpi_gbl_db_opt_tables; ACPI_EXTERN u8 acpi_gbl_db_opt_stats; ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods; diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 2ec394a328e9..ee986edfa0da 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -205,6 +205,7 @@ struct acpi_namespace_node { #define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */ #define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */ #define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */ +#define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */ #define ANOBJ_IS_EXTERNAL 0x08 /* i_aSL only: This object created via External() */ #define ANOBJ_METHOD_NO_RETVAL 0x10 /* i_aSL only: Method has no return value */ @@ -788,11 +789,14 @@ struct acpi_bit_register_info { /* For control registers, both ignored and reserved bits must be preserved */ /* - * The ACPI spec says to ignore PM1_CTL.SCI_EN (bit 0) - * but we need to be able to write ACPI_BITREG_SCI_ENABLE directly - * as a BIOS workaround on some machines. + * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the + * ACPI specification to be a "preserved" bit - "OSPM always preserves this + * bit position", section 4.7.3.2.1. However, on some machines the OS must + * write a one to this bit after resume for the machine to work properly. + * To enable this, we no longer attempt to preserve this bit. No machines + * are known to fail if the bit is not preserved. (May 2009) */ -#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bits 9 */ +#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bit 9 */ #define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */ #define ACPI_PM1_CONTROL_PRESERVED_BITS \ (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS) diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 46cb5b46d280..94cdc2b8cb93 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -99,10 +99,19 @@ acpi_ns_walk_namespace(acpi_object_type type, acpi_walk_callback user_function, void *context, void **return_value); -struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct acpi_namespace_node - *parent, struct acpi_namespace_node +struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node + *parent, + struct acpi_namespace_node *child); +struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type, + struct + acpi_namespace_node + *parent, + struct + acpi_namespace_node + *child); + /* * nsparse - table parsing */ diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h index ff851c5df698..067f967eb389 100644 --- a/drivers/acpi/acpica/amlcode.h +++ b/drivers/acpi/acpica/amlcode.h @@ -483,7 +483,7 @@ typedef enum { #define AML_METHOD_ARG_COUNT 0x07 #define AML_METHOD_SERIALIZED 0x08 -#define AML_METHOD_SYNCH_LEVEL 0xF0 +#define AML_METHOD_SYNC_LEVEL 0xF0 /* METHOD_FLAGS_ARG_COUNT is not used internally, define additional flags */ diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index dab3f48f0b42..02e6caad4a76 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -734,7 +734,8 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, /* Local ID (0-7) is (AML opcode - base AML_LOCAL_OP) */ - obj_desc->reference.value = opcode - AML_LOCAL_OP; + obj_desc->reference.value = + ((u32)opcode) - AML_LOCAL_OP; obj_desc->reference.class = ACPI_REFCLASS_LOCAL; #ifndef ACPI_NO_METHOD_EXECUTION @@ -754,7 +755,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, /* Arg ID (0-6) is (AML opcode - base AML_ARG_OP) */ - obj_desc->reference.value = opcode - AML_ARG_OP; + obj_desc->reference.value = ((u32)opcode) - AML_ARG_OP; obj_desc->reference.class = ACPI_REFCLASS_ARG; #ifndef ACPI_NO_METHOD_EXECUTION diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c index b4c87b5053e6..584d766e6f12 100644 --- a/drivers/acpi/acpica/dsopcode.c +++ b/drivers/acpi/acpica/dsopcode.c @@ -1386,14 +1386,19 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, case AML_BREAK_POINT_OP: - /* Call up to the OS service layer to handle this */ - - status = - acpi_os_signal(ACPI_SIGNAL_BREAKPOINT, - "Executed AML Breakpoint opcode"); + /* + * Set the single-step flag. This will cause the debugger (if present) + * to break to the console within the AML debugger at the start of the + * next AML instruction. + */ + ACPI_DEBUGGER_EXEC(acpi_gbl_cm_single_step = TRUE); + ACPI_DEBUGGER_EXEC(acpi_os_printf + ("**break** Executed AML BreakPoint opcode\n")); - /* If and when it returns, all done. */ + /* Call to the OSL in case OS wants a piece of the action */ + status = acpi_os_signal(ACPI_SIGNAL_BREAKPOINT, + "Executed AML Breakpoint opcode"); break; case AML_BREAK_OP: diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index 40f92bf7dce5..e46c821cf572 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -102,7 +102,7 @@ acpi_ds_result_pop(union acpi_operand_object **object, /* Return object of the top element and clean that top element result stack */ walk_state->result_count--; - index = walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM; + index = (u32)walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM; *object = state->results.obj_desc[index]; if (!*object) { @@ -186,7 +186,7 @@ acpi_ds_result_push(union acpi_operand_object * object, /* Assign the address of object to the top free element of result stack */ - index = walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM; + index = (u32)walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM; state->results.obj_desc[index] = object; walk_state->result_count++; diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 538d63264555..98c7f9c62653 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -275,7 +275,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) * * PARAMETERS: region_obj - Internal region object * Function - Read or Write operation - * Address - Where in the space to read or write + * region_offset - Where in the region to read or write * bit_width - Field width in bits (8, 16, 32, or 64) * Value - Pointer to in or out value, must be * full 64-bit acpi_integer @@ -290,7 +290,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) acpi_status acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, u32 function, - acpi_physical_address address, + u32 region_offset, u32 bit_width, acpi_integer * value) { acpi_status status; @@ -396,7 +396,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, "Handler %p (@%p) Address %8.8X%8.8X [%s]\n", ®ion_obj->region.handler->address_space, handler, - ACPI_FORMAT_NATIVE_UINT(address), + ACPI_FORMAT_NATIVE_UINT(region_obj->region.address + + region_offset), acpi_ut_get_region_name(region_obj->region. space_id))); @@ -412,8 +413,9 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, /* Call the handler */ - status = handler(function, address, bit_width, value, - handler_desc->address_space.context, + status = handler(function, + (region_obj->region.address + region_offset), + bit_width, value, handler_desc->address_space.context, region_obj2->extra.region_context); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index d0a080747ec3..4721f58fe42c 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -51,7 +51,7 @@ ACPI_MODULE_NAME("evxfevnt") /* Local prototypes */ -acpi_status +static acpi_status acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context); @@ -785,7 +785,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_gpe_device) * block device. NULL if the GPE is one of the FADT-defined GPEs. * ******************************************************************************/ -acpi_status +static acpi_status acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context) { diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index 3deb20a126b2..277fd609611a 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -47,6 +47,7 @@ #include "acnamesp.h" #include "actables.h" #include "acdispat.h" +#include "acevents.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exconfig") @@ -57,6 +58,10 @@ acpi_ex_add_table(u32 table_index, struct acpi_namespace_node *parent_node, union acpi_operand_object **ddb_handle); +static acpi_status +acpi_ex_region_read(union acpi_operand_object *obj_desc, + u32 length, u8 *buffer); + /******************************************************************************* * * FUNCTION: acpi_ex_add_table @@ -91,6 +96,7 @@ acpi_ex_add_table(u32 table_index, /* Init the table handle */ + obj_desc->common.flags |= AOPOBJ_DATA_VALID; obj_desc->reference.class = ACPI_REFCLASS_TABLE; *ddb_handle = obj_desc; @@ -229,6 +235,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, walk_state); if (ACPI_FAILURE(status)) { (void)acpi_ex_unload_table(ddb_handle); + + acpi_ut_remove_reference(ddb_handle); return_ACPI_STATUS(status); } } @@ -254,6 +262,47 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, /******************************************************************************* * + * FUNCTION: acpi_ex_region_read + * + * PARAMETERS: obj_desc - Region descriptor + * Length - Number of bytes to read + * Buffer - Pointer to where to put the data + * + * RETURN: Status + * + * DESCRIPTION: Read data from an operation region. The read starts from the + * beginning of the region. + * + ******************************************************************************/ + +static acpi_status +acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer) +{ + acpi_status status; + acpi_integer value; + u32 region_offset = 0; + u32 i; + + /* Bytewise reads */ + + for (i = 0; i < length; i++) { + status = acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, + region_offset, 8, + &value); + if (ACPI_FAILURE(status)) { + return status; + } + + *buffer = (u8)value; + buffer++; + region_offset++; + } + + return AE_OK; +} + +/******************************************************************************* + * * FUNCTION: acpi_ex_load_op * * PARAMETERS: obj_desc - Region or Buffer/Field where the table will be @@ -314,18 +363,23 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, } } - /* - * Map the table header and get the actual table length. The region - * length is not guaranteed to be the same as the table length. - */ - table = acpi_os_map_memory(obj_desc->region.address, - sizeof(struct acpi_table_header)); + /* Get the table header first so we can get the table length */ + + table = ACPI_ALLOCATE(sizeof(struct acpi_table_header)); if (!table) { return_ACPI_STATUS(AE_NO_MEMORY); } + status = + acpi_ex_region_read(obj_desc, + sizeof(struct acpi_table_header), + ACPI_CAST_PTR(u8, table)); length = table->length; - acpi_os_unmap_memory(table, sizeof(struct acpi_table_header)); + ACPI_FREE(table); + + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } /* Must have at least an ACPI table header */ @@ -334,10 +388,19 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, } /* - * The memory region is not guaranteed to remain stable and we must - * copy the table to a local buffer. For example, the memory region - * is corrupted after suspend on some machines. Dynamically loaded - * tables are usually small, so this overhead is minimal. + * The original implementation simply mapped the table, with no copy. + * However, the memory region is not guaranteed to remain stable and + * we must copy the table to a local buffer. For example, the memory + * region is corrupted after suspend on some machines. Dynamically + * loaded tables are usually small, so this overhead is minimal. + * + * The latest implementation (5/2009) does not use a mapping at all. + * We use the low-level operation region interface to read the table + * instead of the obvious optimization of using a direct mapping. + * This maintains a consistent use of operation regions across the + * entire subsystem. This is important if additional processing must + * be performed in the (possibly user-installed) operation region + * handler. For example, acpi_exec and ASLTS depend on this. */ /* Allocate a buffer for the table */ @@ -347,17 +410,16 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, return_ACPI_STATUS(AE_NO_MEMORY); } - /* Map the entire table and copy it */ + /* Read the entire table */ - table = acpi_os_map_memory(obj_desc->region.address, length); - if (!table) { + status = acpi_ex_region_read(obj_desc, length, + ACPI_CAST_PTR(u8, + table_desc.pointer)); + if (ACPI_FAILURE(status)) { ACPI_FREE(table_desc.pointer); - return_ACPI_STATUS(AE_NO_MEMORY); + return_ACPI_STATUS(status); } - ACPI_MEMCPY(table_desc.pointer, table, length); - acpi_os_unmap_memory(table, length); - table_desc.address = obj_desc->region.address; break; @@ -454,6 +516,10 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, return_ACPI_STATUS(status); } + /* Remove the reference by added by acpi_ex_store above */ + + acpi_ut_remove_reference(ddb_handle); + /* Invoke table handler if present */ if (acpi_gbl_table_handler) { @@ -495,13 +561,18 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) /* * Validate the handle - * Although the handle is partially validated in acpi_ex_reconfiguration(), + * Although the handle is partially validated in acpi_ex_reconfiguration() * when it calls acpi_ex_resolve_operands(), the handle is more completely * validated here. + * + * Handle must be a valid operand object of type reference. Also, the + * ddb_handle must still be marked valid (table has not been previously + * unloaded) */ if ((!ddb_handle) || (ACPI_GET_DESCRIPTOR_TYPE(ddb_handle) != ACPI_DESC_TYPE_OPERAND) || - (ddb_handle->common.type != ACPI_TYPE_LOCAL_REFERENCE)) { + (ddb_handle->common.type != ACPI_TYPE_LOCAL_REFERENCE) || + (!(ddb_handle->common.flags & AOPOBJ_DATA_VALID))) { return_ACPI_STATUS(AE_BAD_PARAMETER); } @@ -509,6 +580,12 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) table_index = table_desc->reference.value; + /* Ensure the table is still loaded */ + + if (!acpi_tb_is_table_loaded(table_index)) { + return_ACPI_STATUS(AE_NOT_EXIST); + } + /* Invoke table handler if present */ if (acpi_gbl_table_handler) { @@ -530,8 +607,10 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) (void)acpi_tb_release_owner_id(table_index); acpi_tb_set_table_loaded_flag(table_index, FALSE); - /* Table unloaded, remove a reference to the ddb_handle object */ - - acpi_ut_remove_reference(ddb_handle); + /* + * Invalidate the handle. We do this because the handle may be stored + * in a named object and may not be actually deleted until much later. + */ + ddb_handle->common.flags &= ~AOPOBJ_DATA_VALID; return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index a57ad2564ab0..02b25d233d99 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -502,7 +502,7 @@ acpi_ex_create_method(u8 * aml_start, * ACPI 2.0: sync_level = sync_level in method declaration */ obj_desc->method.sync_level = (u8) - ((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4); + ((method_flags & AML_METHOD_SYNC_LEVEL) >> 4); } /* Attach the new object to the method Node */ diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index 89d141fdae0b..ec524614e708 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -120,9 +120,11 @@ static struct acpi_exdump_info acpi_ex_dump_event[2] = { {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.os_semaphore), "OsSemaphore"} }; -static struct acpi_exdump_info acpi_ex_dump_method[8] = { +static struct acpi_exdump_info acpi_ex_dump_method[9] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "ParamCount"}, + {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.method_flags), "Method Flags"}, + {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), + "Parameter Count"}, {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"}, {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"}, {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"}, diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index 99cee61e655d..d4075b821021 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -222,7 +222,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc, { acpi_status status; union acpi_operand_object *rgn_desc; - acpi_physical_address address; + u32 region_offset; ACPI_FUNCTION_TRACE(ex_access_region); @@ -243,7 +243,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc, * 3) The current offset into the field */ rgn_desc = obj_desc->common_field.region_obj; - address = rgn_desc->region.address + + region_offset = obj_desc->common_field.base_byte_offset + field_datum_byte_offset; if ((function & ACPI_IO_MASK) == ACPI_READ) { @@ -260,16 +260,18 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc, obj_desc->common_field.access_byte_width, obj_desc->common_field.base_byte_offset, field_datum_byte_offset, ACPI_CAST_PTR(void, - address))); + (rgn_desc-> + region. + address + + region_offset)))); /* Invoke the appropriate address_space/op_region handler */ - status = acpi_ev_address_space_dispatch(rgn_desc, function, - address, - ACPI_MUL_8(obj_desc-> - common_field. - access_byte_width), - value); + status = + acpi_ev_address_space_dispatch(rgn_desc, function, region_offset, + ACPI_MUL_8(obj_desc->common_field. + access_byte_width), + value); if (ACPI_FAILURE(status)) { if (status == AE_NOT_IMPLEMENTED) { diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c index d301c1f363ef..2f0114202b05 100644 --- a/drivers/acpi/acpica/exmutex.c +++ b/drivers/acpi/acpica/exmutex.c @@ -83,6 +83,15 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc) if (obj_desc->mutex.prev) { (obj_desc->mutex.prev)->mutex.next = obj_desc->mutex.next; + + /* + * Migrate the previous sync level associated with this mutex to the + * previous mutex on the list so that it may be preserved. This handles + * the case where several mutexes have been acquired at the same level, + * but are not released in opposite order. + */ + (obj_desc->mutex.prev)->mutex.original_sync_level = + obj_desc->mutex.original_sync_level; } else { thread->acquired_mutex_list = obj_desc->mutex.next; } @@ -349,6 +358,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, struct acpi_walk_state *walk_state) { acpi_status status = AE_OK; + u8 previous_sync_level; ACPI_FUNCTION_TRACE(ex_release_mutex); @@ -373,11 +383,12 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, walk_state->thread->thread_id) && (obj_desc != acpi_gbl_global_lock_mutex)) { ACPI_ERROR((AE_INFO, - "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX", - (unsigned long)walk_state->thread->thread_id, + "Thread %p cannot release Mutex [%4.4s] acquired by thread %p", + ACPI_CAST_PTR(void, walk_state->thread->thread_id), acpi_ut_get_node_name(obj_desc->mutex.node), - (unsigned long)obj_desc->mutex.owner_thread-> - thread_id)); + ACPI_CAST_PTR(void, + obj_desc->mutex.owner_thread-> + thread_id))); return_ACPI_STATUS(AE_AML_NOT_OWNER); } @@ -391,10 +402,14 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, } /* - * The sync level of the mutex must be less than or equal to the current - * sync level + * The sync level of the mutex must be equal to the current sync level. In + * other words, the current level means that at least one mutex at that + * level is currently being held. Attempting to release a mutex of a + * different level can only mean that the mutex ordering rule is being + * violated. This behavior is clarified in ACPI 4.0 specification. */ - if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) { + if (obj_desc->mutex.sync_level != + walk_state->thread->current_sync_level) { ACPI_ERROR((AE_INFO, "Cannot release Mutex [%4.4s], SyncLevel mismatch: mutex %d current %d", acpi_ut_get_node_name(obj_desc->mutex.node), @@ -403,14 +418,24 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, return_ACPI_STATUS(AE_AML_MUTEX_ORDER); } + /* + * Get the previous sync_level from the head of the acquired mutex list. + * This handles the case where several mutexes at the same level have been + * acquired, but are not released in reverse order. + */ + previous_sync_level = + walk_state->thread->acquired_mutex_list->mutex.original_sync_level; + status = acpi_ex_release_mutex_object(obj_desc); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } if (obj_desc->mutex.acquisition_depth == 0) { - /* Restore the original sync_level */ + /* Restore the previous sync_level */ - walk_state->thread->current_sync_level = - obj_desc->mutex.original_sync_level; + walk_state->thread->current_sync_level = previous_sync_level; } return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c index 90d606196c99..6efd07a4f779 100644 --- a/drivers/acpi/acpica/exstore.c +++ b/drivers/acpi/acpica/exstore.c @@ -193,10 +193,12 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, case ACPI_REFCLASS_TABLE: + /* Case for ddb_handle */ + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "Table Index 0x%X\n", source_desc->reference.value)); - break; + return; default: break; diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c index 7b2fb602b5cb..23d5505cb1f7 100644 --- a/drivers/acpi/acpica/hwregs.c +++ b/drivers/acpi/acpica/hwregs.c @@ -81,9 +81,9 @@ acpi_status acpi_hw_clear_acpi_status(void) ACPI_FUNCTION_TRACE(hw_clear_acpi_status); - ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %0llX\n", + ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %8.8X%8.8X\n", ACPI_BITMASK_ALL_FIXED_STATUS, - acpi_gbl_xpm1a_status.address)); + ACPI_FORMAT_UINT64(acpi_gbl_xpm1a_status.address))); lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock); diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c index aceb93111967..efc971ab7d65 100644 --- a/drivers/acpi/acpica/nsalloc.c +++ b/drivers/acpi/acpica/nsalloc.c @@ -334,9 +334,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) /* Get the next node in this scope (NULL if none) */ - child_node = - acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node, - child_node); + child_node = acpi_ns_get_next_node(parent_node, child_node); if (child_node) { /* Found a child node - detach any attached object */ @@ -345,8 +343,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) /* Check if this node has any children */ - if (acpi_ns_get_next_node - (ACPI_TYPE_ANY, child_node, NULL)) { + if (child_node->child) { /* * There is at least one child of this node, * visit the node @@ -432,9 +429,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) * Get the next child of this parent node. When child_node is NULL, * the first child of the parent is returned */ - child_node = - acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node, - child_node); + child_node = acpi_ns_get_next_node(parent_node, child_node); if (deletion_node) { acpi_ns_delete_children(deletion_node); @@ -452,8 +447,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) /* Check if this node has any children */ - if (acpi_ns_get_next_node - (ACPI_TYPE_ANY, child_node, NULL)) { + if (child_node->child) { /* * There is at least one child of this node, * visit the node diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index ae3dc10a7e81..af8e6bcee07e 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -149,7 +149,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node) name_buffer = ACPI_ALLOCATE_ZEROED(size); if (!name_buffer) { - ACPI_ERROR((AE_INFO, "Allocation failure")); + ACPI_ERROR((AE_INFO, "Could not allocate %u bytes", (u32)size)); return_PTR(NULL); } diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c index 3eb20bfda9d8..60f3af08d28c 100644 --- a/drivers/acpi/acpica/nsobject.c +++ b/drivers/acpi/acpica/nsobject.c @@ -213,6 +213,15 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node) return_VOID; } + if (node->flags & ANOBJ_ALLOCATED_BUFFER) { + + /* Free the dynamic aml buffer */ + + if (obj_desc->common.type == ACPI_TYPE_METHOD) { + ACPI_FREE(obj_desc->method.aml_start); + } + } + /* Clear the entry in all cases */ node->object = NULL; diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c index d9e8cbc6e679..7f8e066b12a3 100644 --- a/drivers/acpi/acpica/nspredef.c +++ b/drivers/acpi/acpica/nspredef.c @@ -144,7 +144,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node, pathname = acpi_ns_get_external_pathname(node); if (!pathname) { - pathname = ACPI_CAST_PTR(char, predefined->info.name); + return AE_OK; /* Could not get pathname, ignore */ } /* @@ -230,10 +230,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node, } exit: - if (pathname != predefined->info.name) { - ACPI_FREE(pathname); - } - + ACPI_FREE(pathname); return (status); } diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c index f9b4f51bf8f2..7e865639a928 100644 --- a/drivers/acpi/acpica/nssearch.c +++ b/drivers/acpi/acpica/nssearch.c @@ -45,6 +45,10 @@ #include "accommon.h" #include "acnamesp.h" +#ifdef ACPI_ASL_COMPILER +#include "amlcode.h" +#endif + #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME("nssearch") diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c index 83e3aa6d4b9b..35539df5c75d 100644 --- a/drivers/acpi/acpica/nswalk.c +++ b/drivers/acpi/acpica/nswalk.c @@ -52,8 +52,7 @@ ACPI_MODULE_NAME("nswalk") * * FUNCTION: acpi_ns_get_next_node * - * PARAMETERS: Type - Type of node to be searched for - * parent_node - Parent node whose children we are + * PARAMETERS: parent_node - Parent node whose children we are * getting * child_node - Previous child that was found. * The NEXT child will be returned @@ -66,27 +65,68 @@ ACPI_MODULE_NAME("nswalk") * within Scope is returned. * ******************************************************************************/ -struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct acpi_namespace_node - *parent_node, struct acpi_namespace_node +struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node + *parent_node, + struct acpi_namespace_node *child_node) { - struct acpi_namespace_node *next_node = NULL; - ACPI_FUNCTION_ENTRY(); if (!child_node) { /* It's really the parent's _scope_ that we want */ - next_node = parent_node->child; + return parent_node->child; } - else { - /* Start search at the NEXT node */ - - next_node = acpi_ns_get_next_valid_node(child_node); + /* + * Get the next node. + * + * If we are at the end of this peer list, return NULL + */ + if (child_node->flags & ANOBJ_END_OF_PEER_LIST) { + return NULL; } + /* Otherwise just return the next peer */ + + return child_node->peer; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ns_get_next_node_typed + * + * PARAMETERS: Type - Type of node to be searched for + * parent_node - Parent node whose children we are + * getting + * child_node - Previous child that was found. + * The NEXT child will be returned + * + * RETURN: struct acpi_namespace_node - Pointer to the NEXT child or NULL if + * none is found. + * + * DESCRIPTION: Return the next peer node within the namespace. If Handle + * is valid, Scope is ignored. Otherwise, the first node + * within Scope is returned. + * + ******************************************************************************/ + +struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type, + struct + acpi_namespace_node + *parent_node, + struct + acpi_namespace_node + *child_node) +{ + struct acpi_namespace_node *next_node = NULL; + + ACPI_FUNCTION_ENTRY(); + + next_node = acpi_ns_get_next_node(parent_node, child_node); + + /* If any type is OK, we are done */ if (type == ACPI_TYPE_ANY) { @@ -186,9 +226,7 @@ acpi_ns_walk_namespace(acpi_object_type type, /* Get the next node in this scope. Null if not found */ status = AE_OK; - child_node = - acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node, - child_node); + child_node = acpi_ns_get_next_node(parent_node, child_node); if (child_node) { /* Found next child, get the type if we are not searching for ANY */ @@ -269,8 +307,7 @@ acpi_ns_walk_namespace(acpi_object_type type, * function has specified that the maximum depth has been reached. */ if ((level < max_depth) && (status != AE_CTRL_DEPTH)) { - if (acpi_ns_get_next_node - (ACPI_TYPE_ANY, child_node, NULL)) { + if (child_node->child) { /* There is at least one child of this node, visit it */ diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index 9589fea24997..f23593d6add4 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -45,6 +45,8 @@ #include <acpi/acpi.h> #include "accommon.h" #include "acnamesp.h" +#include "acparser.h" +#include "amlcode.h" #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME("nsxfname") @@ -358,3 +360,151 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer) } ACPI_EXPORT_SYMBOL(acpi_get_object_info) + +/****************************************************************************** + * + * FUNCTION: acpi_install_method + * + * PARAMETERS: Buffer - An ACPI table containing one control method + * + * RETURN: Status + * + * DESCRIPTION: Install a control method into the namespace. If the method + * name already exists in the namespace, it is overwritten. The + * input buffer must contain a valid DSDT or SSDT containing a + * single control method. + * + ******************************************************************************/ +acpi_status acpi_install_method(u8 *buffer) +{ + struct acpi_table_header *table = + ACPI_CAST_PTR(struct acpi_table_header, buffer); + u8 *aml_buffer; + u8 *aml_start; + char *path; + struct acpi_namespace_node *node; + union acpi_operand_object *method_obj; + struct acpi_parse_state parser_state; + u32 aml_length; + u16 opcode; + u8 method_flags; + acpi_status status; + + /* Parameter validation */ + + if (!buffer) { + return AE_BAD_PARAMETER; + } + + /* Table must be a DSDT or SSDT */ + + if (!ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) && + !ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT)) { + return AE_BAD_HEADER; + } + + /* First AML opcode in the table must be a control method */ + + parser_state.aml = buffer + sizeof(struct acpi_table_header); + opcode = acpi_ps_peek_opcode(&parser_state); + if (opcode != AML_METHOD_OP) { + return AE_BAD_PARAMETER; + } + + /* Extract method information from the raw AML */ + + parser_state.aml += acpi_ps_get_opcode_size(opcode); + parser_state.pkg_end = acpi_ps_get_next_package_end(&parser_state); + path = acpi_ps_get_next_namestring(&parser_state); + method_flags = *parser_state.aml++; + aml_start = parser_state.aml; + aml_length = ACPI_PTR_DIFF(parser_state.pkg_end, aml_start); + + /* + * Allocate resources up-front. We don't want to have to delete a new + * node from the namespace if we cannot allocate memory. + */ + aml_buffer = ACPI_ALLOCATE(aml_length); + if (!aml_buffer) { + return AE_NO_MEMORY; + } + + method_obj = acpi_ut_create_internal_object(ACPI_TYPE_METHOD); + if (!method_obj) { + ACPI_FREE(aml_buffer); + return AE_NO_MEMORY; + } + + /* Lock namespace for acpi_ns_lookup, we may be creating a new node */ + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto error_exit; + } + + /* The lookup either returns an existing node or creates a new one */ + + status = + acpi_ns_lookup(NULL, path, ACPI_TYPE_METHOD, ACPI_IMODE_LOAD_PASS1, + ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND, + NULL, &node); + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + + if (ACPI_FAILURE(status)) { /* ns_lookup */ + if (status != AE_ALREADY_EXISTS) { + goto error_exit; + } + + /* Node existed previously, make sure it is a method node */ + + if (node->type != ACPI_TYPE_METHOD) { + status = AE_TYPE; + goto error_exit; + } + } + + /* Copy the method AML to the local buffer */ + + ACPI_MEMCPY(aml_buffer, aml_start, aml_length); + + /* Initialize the method object with the new method's information */ + + method_obj->method.aml_start = aml_buffer; + method_obj->method.aml_length = aml_length; + + method_obj->method.param_count = (u8) + (method_flags & AML_METHOD_ARG_COUNT); + + method_obj->method.method_flags = (u8) + (method_flags & ~AML_METHOD_ARG_COUNT); + + if (method_flags & AML_METHOD_SERIALIZED) { + method_obj->method.sync_level = (u8) + ((method_flags & AML_METHOD_SYNC_LEVEL) >> 4); + } + + /* + * Now that it is complete, we can attach the new method object to + * the method Node (detaches/deletes any existing object) + */ + status = acpi_ns_attach_object(node, method_obj, ACPI_TYPE_METHOD); + + /* + * Flag indicates AML buffer is dynamic, must be deleted later. + * Must be set only after attach above. + */ + node->flags |= ANOBJ_ALLOCATED_BUFFER; + + /* Remove local reference to the method object */ + + acpi_ut_remove_reference(method_obj); + return status; + +error_exit: + + ACPI_FREE(aml_buffer); + ACPI_FREE(method_obj); + return status; +} +ACPI_EXPORT_SYMBOL(acpi_install_method) diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c index 1c7efc15225f..4071bad4458e 100644 --- a/drivers/acpi/acpica/nsxfobj.c +++ b/drivers/acpi/acpica/nsxfobj.c @@ -162,6 +162,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_type) acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle) { struct acpi_namespace_node *node; + struct acpi_namespace_node *parent_node; acpi_status status; if (!ret_handle) { @@ -189,12 +190,12 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle) /* Get the parent entry */ - *ret_handle = - acpi_ns_convert_entry_to_handle(acpi_ns_get_parent_node(node)); + parent_node = acpi_ns_get_parent_node(node); + *ret_handle = acpi_ns_convert_entry_to_handle(parent_node); /* Return exception if parent is null */ - if (!acpi_ns_get_parent_node(node)) { + if (!parent_node) { status = AE_NULL_ENTRY; } @@ -268,7 +269,7 @@ acpi_get_next_object(acpi_object_type type, /* Internal function does the real work */ - node = acpi_ns_get_next_node(type, parent_node, child_node); + node = acpi_ns_get_next_node_typed(type, parent_node, child_node); if (!node) { status = AE_NOT_FOUND; goto unlock_and_exit; diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index 88b5a2c4814d..3c4dcc3d1069 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -547,7 +547,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, if (!package_element || (package_element->common.type != ACPI_TYPE_PACKAGE)) { - return_ACPI_STATUS (AE_AML_OPERAND_TYPE); + return_ACPI_STATUS(AE_AML_OPERAND_TYPE); } /* @@ -593,9 +593,6 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, } else { temp_size_needed += acpi_ns_get_pathname_length((*sub_object_list)->reference.node); - if (!temp_size_needed) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } } } else { /* diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c index 69a2aa5b5d83..395212bcd19b 100644 --- a/drivers/acpi/acpica/rsxface.c +++ b/drivers/acpi/acpica/rsxface.c @@ -338,13 +338,17 @@ acpi_resource_to_address64(struct acpi_resource *resource, switch (resource->type) { case ACPI_RESOURCE_TYPE_ADDRESS16: - address16 = (struct acpi_resource_address16 *)&resource->data; + address16 = + ACPI_CAST_PTR(struct acpi_resource_address16, + &resource->data); ACPI_COPY_ADDRESS(out, address16); break; case ACPI_RESOURCE_TYPE_ADDRESS32: - address32 = (struct acpi_resource_address32 *)&resource->data; + address32 = + ACPI_CAST_PTR(struct acpi_resource_address32, + &resource->data); ACPI_COPY_ADDRESS(out, address32); break; diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index 71e655d14cb0..82b02dcb942e 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -284,9 +284,9 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) if (length > sizeof(struct acpi_table_fadt)) { ACPI_WARNING((AE_INFO, "FADT (revision %u) is longer than ACPI 2.0 version, " - "truncating length 0x%X to 0x%zX", - table->revision, (unsigned)length, - sizeof(struct acpi_table_fadt))); + "truncating length 0x%X to 0x%X", + table->revision, length, + (u32)sizeof(struct acpi_table_fadt))); } /* Clear the entire local FADT */ @@ -441,7 +441,7 @@ static void acpi_tb_convert_fadt(void) &acpi_gbl_FADT, fadt_info_table [i].length), - address32); + (u64) address32); } } } @@ -469,7 +469,6 @@ static void acpi_tb_convert_fadt(void) static void acpi_tb_validate_fadt(void) { char *name; - u32 *address32; struct acpi_generic_address *address64; u8 length; u32 i; @@ -505,15 +504,12 @@ static void acpi_tb_validate_fadt(void) for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) { /* - * Generate pointers to the 32-bit and 64-bit addresses, get the - * register length (width), and the register name + * Generate pointer to the 64-bit address, get the register + * length (width) and the register name */ address64 = ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT, fadt_info_table[i].address64); - address32 = - ACPI_ADD_PTR(u32, &acpi_gbl_FADT, - fadt_info_table[i].address32); length = *ACPI_ADD_PTR(u8, &acpi_gbl_FADT, fadt_info_table[i].length); diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index f865d5a096de..63e82329a9e8 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -472,7 +472,7 @@ acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index) * lock may block, and also since the execution of a namespace walk * must be allowed to use the interpreter. */ - acpi_ut_release_mutex(ACPI_MTX_INTERPRETER); + (void)acpi_ut_release_mutex(ACPI_MTX_INTERPRETER); status = acpi_ut_acquire_write_lock(&acpi_gbl_namespace_rw_lock); acpi_ns_delete_namespace_by_owner(owner_id); diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c index 919624f123d5..0f0c64bf8ac9 100644 --- a/drivers/acpi/acpica/utcopy.c +++ b/drivers/acpi/acpica/utcopy.c @@ -676,6 +676,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc, { u16 reference_count; union acpi_operand_object *next_object; + acpi_status status; /* Save fields from destination that we don't want to overwrite */ @@ -768,6 +769,28 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc, } break; + /* + * For Mutex and Event objects, we cannot simply copy the underlying + * OS object. We must create a new one. + */ + case ACPI_TYPE_MUTEX: + + status = acpi_os_create_mutex(&dest_desc->mutex.os_mutex); + if (ACPI_FAILURE(status)) { + return status; + } + break; + + case ACPI_TYPE_EVENT: + + status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0, + &dest_desc->event. + os_semaphore); + if (ACPI_FAILURE(status)) { + return status; + } + break; + default: /* Nothing to do for other simple objects */ break; diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c index 38821f53042c..527d729f6815 100644 --- a/drivers/acpi/acpica/utdebug.c +++ b/drivers/acpi/acpica/utdebug.c @@ -179,9 +179,9 @@ acpi_debug_print(u32 requested_debug_level, if (thread_id != acpi_gbl_prev_thread_id) { if (ACPI_LV_THREADS & acpi_dbg_level) { acpi_os_printf - ("\n**** Context Switch from TID %lX to TID %lX ****\n\n", - (unsigned long)acpi_gbl_prev_thread_id, - (unsigned long)thread_id); + ("\n**** Context Switch from TID %p to TID %p ****\n\n", + ACPI_CAST_PTR(void, acpi_gbl_prev_thread_id), + ACPI_CAST_PTR(void, thread_id)); } acpi_gbl_prev_thread_id = thread_id; @@ -194,7 +194,7 @@ acpi_debug_print(u32 requested_debug_level, acpi_os_printf("%8s-%04ld ", module_name, line_number); if (ACPI_LV_THREADS & acpi_dbg_level) { - acpi_os_printf("[%04lX] ", (unsigned long)thread_id); + acpi_os_printf("[%p] ", ACPI_CAST_PTR(void, thread_id)); } acpi_os_printf("[%02ld] %-22.22s: ", diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c index a5ee23bc4f55..bc1710315088 100644 --- a/drivers/acpi/acpica/utdelete.c +++ b/drivers/acpi/acpica/utdelete.c @@ -75,6 +75,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) union acpi_operand_object *handler_desc; union acpi_operand_object *second_desc; union acpi_operand_object *next_desc; + union acpi_operand_object **last_obj_ptr; ACPI_FUNCTION_TRACE_PTR(ut_delete_internal_obj, object); @@ -223,6 +224,26 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) */ handler_desc = object->region.handler; if (handler_desc) { + next_desc = + handler_desc->address_space.region_list; + last_obj_ptr = + &handler_desc->address_space.region_list; + + /* Remove the region object from the handler's list */ + + while (next_desc) { + if (next_desc == object) { + *last_obj_ptr = + next_desc->region.next; + break; + } + + /* Walk the linked list of handler */ + + last_obj_ptr = &next_desc->region.next; + next_desc = next_desc->region.next; + } + if (handler_desc->address_space.handler_flags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) { diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index 1c9e250caefb..fbe782348b0b 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -1033,11 +1033,12 @@ acpi_error(const char *module_name, u32 line_number, const char *format, ...) { va_list args; - acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number); + acpi_os_printf("ACPI Error: "); va_start(args, format); acpi_os_vprintf(format, args); - acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); + acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name, + line_number); va_end(args); } @@ -1047,12 +1048,12 @@ acpi_exception(const char *module_name, { va_list args; - acpi_os_printf("ACPI Exception (%s-%04d): %s, ", module_name, - line_number, acpi_format_exception(status)); + acpi_os_printf("ACPI Exception: %s, ", acpi_format_exception(status)); va_start(args, format); acpi_os_vprintf(format, args); - acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); + acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name, + line_number); va_end(args); } @@ -1061,11 +1062,12 @@ acpi_warning(const char *module_name, u32 line_number, const char *format, ...) { va_list args; - acpi_os_printf("ACPI Warning (%s-%04d): ", module_name, line_number); + acpi_os_printf("ACPI Warning: "); va_start(args, format); acpi_os_vprintf(format, args); - acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); + acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name, + line_number); va_end(args); } @@ -1074,10 +1076,6 @@ acpi_info(const char *module_name, u32 line_number, const char *format, ...) { va_list args; - /* - * Removed module_name, line_number, and acpica version, not needed - * for info output - */ acpi_os_printf("ACPI: "); va_start(args, format); diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c index 26c93a748e64..80bb65154117 100644 --- a/drivers/acpi/acpica/utmutex.c +++ b/drivers/acpi/acpica/utmutex.c @@ -230,17 +230,18 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) { if (i == mutex_id) { ACPI_ERROR((AE_INFO, - "Mutex [%s] already acquired by this thread [%X]", + "Mutex [%s] already acquired by this thread [%p]", acpi_ut_get_mutex_name (mutex_id), - this_thread_id)); + ACPI_CAST_PTR(void, + this_thread_id))); return (AE_ALREADY_ACQUIRED); } ACPI_ERROR((AE_INFO, - "Invalid acquire order: Thread %X owns [%s], wants [%s]", - this_thread_id, + "Invalid acquire order: Thread %p owns [%s], wants [%s]", + ACPI_CAST_PTR(void, this_thread_id), acpi_ut_get_mutex_name(i), acpi_ut_get_mutex_name(mutex_id))); @@ -251,24 +252,24 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) #endif ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %lX attempting to acquire Mutex [%s]\n", - (unsigned long)this_thread_id, + "Thread %p attempting to acquire Mutex [%s]\n", + ACPI_CAST_PTR(void, this_thread_id), acpi_ut_get_mutex_name(mutex_id))); status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex, ACPI_WAIT_FOREVER); if (ACPI_SUCCESS(status)) { ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %lX acquired Mutex [%s]\n", - (unsigned long)this_thread_id, + "Thread %p acquired Mutex [%s]\n", + ACPI_CAST_PTR(void, this_thread_id), acpi_ut_get_mutex_name(mutex_id))); acpi_gbl_mutex_info[mutex_id].use_count++; acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id; } else { ACPI_EXCEPTION((AE_INFO, status, - "Thread %lX could not acquire Mutex [%X]", - (unsigned long)this_thread_id, mutex_id)); + "Thread %p could not acquire Mutex [%X]", + ACPI_CAST_PTR(void, this_thread_id), mutex_id)); } return (status); @@ -293,9 +294,8 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) ACPI_FUNCTION_NAME(ut_release_mutex); this_thread_id = acpi_os_get_thread_id(); - ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %lX releasing Mutex [%s]\n", - (unsigned long)this_thread_id, + ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %p releasing Mutex [%s]\n", + ACPI_CAST_PTR(void, this_thread_id), acpi_ut_get_mutex_name(mutex_id))); if (mutex_id > ACPI_MAX_MUTEX) { diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 4db89e98535d..82ec6a3c0500 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -47,7 +47,7 @@ /* Current ACPICA subsystem version in YYYYMMDD format */ -#define ACPI_CA_VERSION 0x20090320 +#define ACPI_CA_VERSION 0x20090521 #include "actypes.h" #include "actbl.h" @@ -201,6 +201,8 @@ acpi_evaluate_object_typed(acpi_handle object, acpi_status acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer); +acpi_status acpi_install_method(u8 *buffer); + acpi_status acpi_get_next_object(acpi_object_type type, acpi_handle parent, @@ -375,7 +377,7 @@ acpi_status acpi_leave_sleep_state_prep(u8 sleep_state); acpi_status acpi_leave_sleep_state(u8 sleep_state); /* - * Debug output + * Error/Warning output */ void ACPI_INTERNAL_VAR_XFACE acpi_error(const char *module_name, @@ -394,6 +396,9 @@ void ACPI_INTERNAL_VAR_XFACE acpi_info(const char *module_name, u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3); +/* + * Debug output + */ #ifdef ACPI_DEBUG_OUTPUT void ACPI_INTERNAL_VAR_XFACE diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index f555d927f7c0..37ba576d06e8 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -429,20 +429,12 @@ typedef unsigned long long acpi_integer; /* Data manipulation */ -#define ACPI_LOWORD(l) ((u16)(u32)(l)) -#define ACPI_HIWORD(l) ((u16)((((u32)(l)) >> 16) & 0xFFFF)) -#define ACPI_LOBYTE(l) ((u8)(u16)(l)) -#define ACPI_HIBYTE(l) ((u8)((((u16)(l)) >> 8) & 0xFF)) - -/* Full 64-bit integer must be available on both 32-bit and 64-bit platforms */ - -struct acpi_integer_overlay { - u32 lo_dword; - u32 hi_dword; -}; - -#define ACPI_LODWORD(integer) (ACPI_CAST_PTR (struct acpi_integer_overlay, &integer)->lo_dword) -#define ACPI_HIDWORD(integer) (ACPI_CAST_PTR (struct acpi_integer_overlay, &integer)->hi_dword) +#define ACPI_LOBYTE(integer) ((u8) (u16)(integer)) +#define ACPI_HIBYTE(integer) ((u8) (((u16)(integer)) >> 8)) +#define ACPI_LOWORD(integer) ((u16) (u32)(integer)) +#define ACPI_HIWORD(integer) ((u16)(((u32)(integer)) >> 16)) +#define ACPI_LODWORD(integer64) ((u32) (u64)(integer64)) +#define ACPI_HIDWORD(integer64) ((u32)(((u64)(integer64)) >> 32)) #define ACPI_SET_BIT(target,bit) ((target) |= (bit)) #define ACPI_CLEAR_BIT(target,bit) ((target) &= ~(bit)) diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h index 8e2cdc57b197..935c5d7fc86e 100644 --- a/include/acpi/platform/acgcc.h +++ b/include/acpi/platform/acgcc.h @@ -62,4 +62,8 @@ */ #define ACPI_UNUSED_VAR __attribute__ ((unused)) +#ifdef _ANSI +#define inline +#endif + #endif /* __ACGCC_H__ */ diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index 6d49b2a498c4..fcb8e4b159b1 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -1,11 +1,11 @@ /****************************************************************************** * - * Name: aclinux.h - OS specific defines, etc. + * Name: aclinux.h - OS specific defines, etc. for Linux * *****************************************************************************/ /* - * Copyright (C) 2000 - 2008, Intel Corp. + * Copyright (C) 2000 - 2009, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -44,10 +44,13 @@ #ifndef __ACLINUX_H__ #define __ACLINUX_H__ +/* Common (in-kernel/user-space) ACPICA configuration */ + #define ACPI_USE_SYSTEM_CLIBRARY #define ACPI_USE_DO_WHILE_0 #define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE + #ifdef __KERNEL__ #include <linux/string.h> @@ -63,15 +66,18 @@ #include <linux/spinlock_types.h> #include <asm/current.h> -/* Host-dependent types and defines */ +/* Host-dependent types and defines for in-kernel ACPICA */ #define ACPI_MACHINE_WIDTH BITS_PER_LONG -#define acpi_cache_t struct kmem_cache -#define acpi_spinlock spinlock_t * #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol); #define strtoul simple_strtoul -#else /* !__KERNEL__ */ +#define acpi_cache_t struct kmem_cache +#define acpi_spinlock spinlock_t * +#define acpi_cpu_flags unsigned long +#define acpi_thread_id struct task_struct * + +#else /* !__KERNEL__ */ #include <stdarg.h> #include <string.h> @@ -79,6 +85,11 @@ #include <ctype.h> #include <unistd.h> +/* Host-dependent types and defines for user-space ACPICA */ + +#define ACPI_FLUSH_CPU_CACHE() +#define acpi_thread_id pthread_t + #if defined(__ia64__) || defined(__x86_64__) #define ACPI_MACHINE_WIDTH 64 #define COMPILER_DEPENDENT_INT64 long @@ -94,17 +105,17 @@ #define __cdecl #endif -#define ACPI_FLUSH_CPU_CACHE() -#endif /* __KERNEL__ */ +#endif /* __KERNEL__ */ /* Linux uses GCC */ #include "acgcc.h" -#define acpi_cpu_flags unsigned long - -#define acpi_thread_id struct task_struct * +#ifdef __KERNEL__ +/* + * Overrides for in-kernel ACPICA + */ static inline acpi_thread_id acpi_os_get_thread_id(void) { return current; @@ -119,30 +130,32 @@ static inline acpi_thread_id acpi_os_get_thread_id(void) #include <acpi/actypes.h> static inline void *acpi_os_allocate(acpi_size size) { - return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); + return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); } + static inline void *acpi_os_allocate_zeroed(acpi_size size) { - return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); + return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); } static inline void *acpi_os_acquire_object(acpi_cache_t * cache) { return kmem_cache_zalloc(cache, - irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); + irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); } -#define ACPI_ALLOCATE(a) acpi_os_allocate(a) -#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) -#define ACPI_FREE(a) kfree(a) +#define ACPI_ALLOCATE(a) acpi_os_allocate(a) +#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) +#define ACPI_FREE(a) kfree(a) -/* - * We need to show where it is safe to preempt execution of ACPICA - */ -#define ACPI_PREEMPTION_POINT() \ - do { \ - if (!irqs_disabled()) \ - cond_resched(); \ +/* Used within ACPICA to show where it is safe to preempt execution */ + +#define ACPI_PREEMPTION_POINT() \ + do { \ + if (!irqs_disabled()) \ + cond_resched(); \ } while (0) -#endif /* __ACLINUX_H__ */ +#endif /* __KERNEL__ */ + +#endif /* __ACLINUX_H__ */ |