diff options
40 files changed, 558 insertions, 1153 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 606f8733a77..9c4ac0191f6 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -596,6 +596,8 @@ void __init acpi_early_init(void) if (acpi_disabled) return_VOID; + printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION); + /* enable workarounds, unless strict ACPI spec. compliance */ if (!acpi_strict) acpi_gbl_enable_interpreter_slack = TRUE; @@ -743,8 +745,6 @@ static int __init acpi_init(void) ACPI_FUNCTION_TRACE("acpi_init"); - printk(KERN_INFO PREFIX "Subsystem revision %08x\n", ACPI_CA_VERSION); - if (acpi_disabled) { printk(KERN_INFO PREFIX "Interpreter disabled.\n"); return_VALUE(-ENODEV); diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c index 2ed48439835..ce4de18f122 100644 --- a/drivers/acpi/dispatcher/dsmthdat.c +++ b/drivers/acpi/dispatcher/dsmthdat.c @@ -100,10 +100,10 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state) ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name, NAMEOF_ARG_NTE); walk_state->arguments[i].name.integer |= (i << 24); - walk_state->arguments[i].descriptor = ACPI_DESC_TYPE_NAMED; + walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED; walk_state->arguments[i].type = ACPI_TYPE_ANY; - walk_state->arguments[i].flags = ANOBJ_END_OF_PEER_LIST | - ANOBJ_METHOD_ARG; + walk_state->arguments[i].flags = + ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG; } /* Init the method locals */ @@ -113,11 +113,11 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state) NAMEOF_LOCAL_NTE); walk_state->local_variables[i].name.integer |= (i << 24); - walk_state->local_variables[i].descriptor = + walk_state->local_variables[i].descriptor_type = ACPI_DESC_TYPE_NAMED; walk_state->local_variables[i].type = ACPI_TYPE_ANY; - walk_state->local_variables[i].flags = ANOBJ_END_OF_PEER_LIST | - ANOBJ_METHOD_LOCAL; + walk_state->local_variables[i].flags = + ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL; } return_VOID; diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c index e2954fff8c5..3cd6895ed2c 100644 --- a/drivers/acpi/dispatcher/dswscope.c +++ b/drivers/acpi/dispatcher/dswscope.c @@ -128,7 +128,7 @@ acpi_ds_scope_stack_push(struct acpi_namespace_node *node, /* Init new scope object */ - scope_info->common.data_type = ACPI_DESC_TYPE_STATE_WSCOPE; + scope_info->common.descriptor_type = ACPI_DESC_TYPE_STATE_WSCOPE; scope_info->scope.node = node; scope_info->common.value = (u16) type; diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c index d2846ffc977..4840eae47d3 100644 --- a/drivers/acpi/dispatcher/dswstate.c +++ b/drivers/acpi/dispatcher/dswstate.c @@ -337,7 +337,7 @@ acpi_status acpi_ds_result_stack_push(struct acpi_walk_state * walk_state) return (AE_NO_MEMORY); } - state->common.data_type = ACPI_DESC_TYPE_STATE_RESULT; + state->common.descriptor_type = ACPI_DESC_TYPE_STATE_RESULT; acpi_ut_push_generic_state(&walk_state->results, state); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Results=%p State=%p\n", @@ -620,7 +620,7 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread) * * PARAMETERS: owner_id - ID for object creation * Origin - Starting point for this walk - * mth_desc - Method object + * method_desc - Method object * Thread - Current thread state * * RETURN: Pointer to the new walk state. @@ -634,7 +634,7 @@ struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object *origin, union acpi_operand_object - *mth_desc, + *method_desc, struct acpi_thread_state *thread) { @@ -648,10 +648,10 @@ struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, return_PTR(NULL); } - walk_state->data_type = ACPI_DESC_TYPE_WALK; + walk_state->descriptor_type = ACPI_DESC_TYPE_WALK; + walk_state->method_desc = method_desc; walk_state->owner_id = owner_id; walk_state->origin = origin; - walk_state->method_desc = mth_desc; walk_state->thread = thread; walk_state->parser_state.start_op = origin; @@ -819,7 +819,7 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state) return; } - if (walk_state->data_type != ACPI_DESC_TYPE_WALK) { + if (walk_state->descriptor_type != ACPI_DESC_TYPE_WALK) { ACPI_ERROR((AE_INFO, "%p is not a valid walk state", walk_state)); return; diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c index e8e72986f0d..4e90c1f837c 100644 --- a/drivers/acpi/events/evgpeblk.c +++ b/drivers/acpi/events/evgpeblk.c @@ -131,7 +131,7 @@ u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info) * ******************************************************************************/ -acpi_status acpi_ev_walk_gpe_list(ACPI_GPE_CALLBACK gpe_walk_callback) +acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback) { struct acpi_gpe_block_info *gpe_block; struct acpi_gpe_xrupt_info *gpe_xrupt_info; diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c index 334407239f2..b216b3229e2 100644 --- a/drivers/acpi/events/evmisc.c +++ b/drivers/acpi/events/evmisc.c @@ -185,7 +185,8 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, return (AE_NO_MEMORY); } - notify_info->common.data_type = ACPI_DESC_TYPE_STATE_NOTIFY; + notify_info->common.descriptor_type = + ACPI_DESC_TYPE_STATE_NOTIFY; notify_info->notify.node = node; notify_info->notify.value = (u16) notify_value; notify_info->notify.handler_obj = handler_obj; diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c index 2b900ef05fa..0337ad222b2 100644 --- a/drivers/acpi/events/evregion.c +++ b/drivers/acpi/events/evregion.c @@ -250,7 +250,6 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) cleanup: acpi_ut_remove_reference(params[0]); - return_ACPI_STATUS(status); } @@ -389,9 +388,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, acpi_ut_get_region_name(region_obj->region. space_id))); - if (! - (handler_desc->address_space. - hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) { + if (!(handler_desc->address_space.handler_flags & + ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) { /* * For handlers other than the default (supplied) handlers, we must * exit the interpreter because the handler *might* block -- we don't @@ -412,9 +410,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, space_id))); } - if (! - (handler_desc->address_space. - hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) { + if (!(handler_desc->address_space.handler_flags & + ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) { /* * We just returned from a non-default handler, we must re-enter the * interpreter @@ -772,7 +769,7 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node, union acpi_operand_object *handler_obj; acpi_status status; acpi_object_type type; - u16 flags = 0; + u8 flags = 0; ACPI_FUNCTION_TRACE("ev_install_space_handler"); @@ -930,7 +927,7 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node, /* Init handler obj */ handler_obj->address_space.space_id = (u8) space_id; - handler_obj->address_space.hflags = flags; + handler_obj->address_space.handler_flags = flags; handler_obj->address_space.region_list = NULL; handler_obj->address_space.node = node; handler_obj->address_space.handler = handler; diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c index 68057540283..763e132da4c 100644 --- a/drivers/acpi/executer/excreate.c +++ b/drivers/acpi/executer/excreate.c @@ -243,8 +243,9 @@ acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state) obj_desc->mutex.node = (struct acpi_namespace_node *)walk_state->operands[0]; - status = acpi_ns_attach_object(obj_desc->mutex.node, - obj_desc, ACPI_TYPE_MUTEX); + status = + acpi_ns_attach_object(obj_desc->mutex.node, obj_desc, + ACPI_TYPE_MUTEX); cleanup: /* @@ -464,9 +465,9 @@ acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state) /* Initialize the processor object from the operands */ obj_desc->processor.proc_id = (u8) operand[1]->integer.value; + obj_desc->processor.length = (u8) operand[3]->integer.value; obj_desc->processor.address = (acpi_io_address) operand[2]->integer.value; - obj_desc->processor.length = (u8) operand[3]->integer.value; /* Install the processor object in the parent Node */ diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c index 502293c35af..56db58b8e23 100644 --- a/drivers/acpi/executer/exdump.c +++ b/drivers/acpi/executer/exdump.c @@ -267,8 +267,6 @@ static struct acpi_exdump_info acpi_ex_dump_node[6] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL}, {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"}, {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"}, - {ACPI_EXD_UINT16, ACPI_EXD_NSOFFSET(reference_count), - "Reference Count"}, {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"}, {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"} }; diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c index acd4b6732ac..8b921c96d6a 100644 --- a/drivers/acpi/namespace/nsalloc.c +++ b/drivers/acpi/namespace/nsalloc.c @@ -47,9 +47,6 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME("nsalloc") -/* Local prototypes */ -static void acpi_ns_remove_reference(struct acpi_namespace_node *node); - /******************************************************************************* * * FUNCTION: acpi_ns_create_node @@ -61,14 +58,13 @@ static void acpi_ns_remove_reference(struct acpi_namespace_node *node); * DESCRIPTION: Create a namespace node * ******************************************************************************/ - struct acpi_namespace_node *acpi_ns_create_node(u32 name) { struct acpi_namespace_node *node; ACPI_FUNCTION_TRACE("ns_create_node"); - node = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_namespace_node)); + node = acpi_os_acquire_object(acpi_gbl_namespace_cache); if (!node) { return_PTR(NULL); } @@ -76,9 +72,7 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name) ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_allocated++); node->name.integer = name; - node->reference_count = 1; ACPI_SET_DESCRIPTOR_TYPE(node, ACPI_DESC_TYPE_NAMED); - return_PTR(node); } @@ -139,10 +133,10 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node) ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_freed++); /* - * Detach an object if there is one then delete the node + * Detach an object if there is one, then delete the node */ acpi_ns_detach_object(node); - ACPI_FREE(node); + (void)acpi_os_release_object(acpi_gbl_namespace_cache, node); return_VOID; } @@ -217,16 +211,6 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp acpi_ut_get_node_name(parent_node), acpi_ut_get_type_name(parent_node->type), parent_node)); - - /* - * Increment the reference count(s) of all parents up to - * the root! - */ - while ((node = acpi_ns_get_parent_node(node)) != NULL) { - node->reference_count++; - } - - return_VOID; } /******************************************************************************* @@ -246,7 +230,6 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node) { struct acpi_namespace_node *child_node; struct acpi_namespace_node *next_node; - struct acpi_namespace_node *node; u8 flags; ACPI_FUNCTION_TRACE_PTR("ns_delete_children", parent_node); @@ -292,26 +275,10 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node) */ acpi_ns_detach_object(child_node); - /* - * Decrement the reference count(s) of all parents up to - * the root! (counts were incremented when the node was created) - */ - node = child_node; - while ((node = acpi_ns_get_parent_node(node)) != NULL) { - node->reference_count--; - } - - /* There should be only one reference remaining on this node */ - - if (child_node->reference_count != 1) { - ACPI_WARNING((AE_INFO, - "Existing references (%d) on node being deleted (%p)", - child_node->reference_count, child_node)); - } - /* Now we can delete the node */ - ACPI_FREE(child_node); + (void)acpi_os_release_object(acpi_gbl_namespace_cache, + child_node); /* And move on to the next child in the list */ @@ -358,8 +325,9 @@ 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(ACPI_TYPE_ANY, parent_node, + child_node); if (child_node) { /* Found a child node - detach any attached object */ @@ -406,57 +374,6 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) /******************************************************************************* * - * FUNCTION: acpi_ns_remove_reference - * - * PARAMETERS: Node - Named node whose reference count is to be - * decremented - * - * RETURN: None. - * - * DESCRIPTION: Remove a Node reference. Decrements the reference count - * of all parent Nodes up to the root. Any node along - * the way that reaches zero references is freed. - * - ******************************************************************************/ - -static void acpi_ns_remove_reference(struct acpi_namespace_node *node) -{ - struct acpi_namespace_node *parent_node; - struct acpi_namespace_node *this_node; - - ACPI_FUNCTION_ENTRY(); - - /* - * Decrement the reference count(s) of this node and all - * nodes up to the root, Delete anything with zero remaining references. - */ - this_node = node; - while (this_node) { - - /* Prepare to move up to parent */ - - parent_node = acpi_ns_get_parent_node(this_node); - - /* Decrement the reference count on this node */ - - this_node->reference_count--; - - /* Delete the node if no more references */ - - if (!this_node->reference_count) { - - /* Delete all children and delete the node */ - - acpi_ns_delete_children(this_node); - acpi_ns_delete_node(this_node); - } - - this_node = parent_node; - } -} - -/******************************************************************************* - * * FUNCTION: acpi_ns_delete_namespace_by_owner * * PARAMETERS: owner_id - All nodes with this owner will be deleted @@ -482,9 +399,9 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) return_VOID; } + deletion_node = NULL; parent_node = acpi_gbl_root_node; child_node = NULL; - deletion_node = NULL; level = 1; /* @@ -501,7 +418,8 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) child_node); if (deletion_node) { - acpi_ns_remove_reference(deletion_node); + acpi_ns_delete_children(deletion_node); + acpi_ns_delete_node(deletion_node); deletion_node = NULL; } diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c index 586014ecf24..9fa38ffc2e6 100644 --- a/drivers/acpi/namespace/nsutils.c +++ b/drivers/acpi/namespace/nsutils.c @@ -81,7 +81,7 @@ acpi_ns_report_error(char *module_name, u32 bad_name; char *name = NULL; - acpi_ut_report_error(module_name, line_number); + acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number); if (lookup_status == AE_BAD_CHARACTER) { @@ -139,7 +139,7 @@ acpi_ns_report_method_error(char *module_name, acpi_status status; struct acpi_namespace_node *node = prefix_node; - acpi_ut_report_error(module_name, line_number); + acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number); if (path) { status = acpi_ns_get_node_by_path(path, prefix_node, diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 56d97f1d108..006b31a5655 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1126,14 +1126,13 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object) * * RETURN: Status * - * DESCRIPTION: Get an object from the specified cache. If cache is empty, - * the object is allocated. + * DESCRIPTION: Return a zero-filled object. * ******************************************************************************/ void *acpi_os_acquire_object(acpi_cache_t * cache) { - void *object = kmem_cache_alloc(cache, GFP_KERNEL); + void *object = kmem_cache_zalloc(cache, GFP_KERNEL); WARN_ON(!object); return object; } diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c index edb7c9ba6ec..9233a4044d6 100644 --- a/drivers/acpi/parser/psscope.c +++ b/drivers/acpi/parser/psscope.c @@ -113,7 +113,7 @@ acpi_ps_init_scope(struct acpi_parse_state * parser_state, return_ACPI_STATUS(AE_NO_MEMORY); } - scope->common.data_type = ACPI_DESC_TYPE_STATE_RPSCOPE; + scope->common.descriptor_type = ACPI_DESC_TYPE_STATE_RPSCOPE; scope->parse_scope.op = root_op; scope->parse_scope.arg_count = ACPI_VAR_ARGS; scope->parse_scope.arg_end = parser_state->aml_end; @@ -143,7 +143,7 @@ acpi_ps_init_scope(struct acpi_parse_state * parser_state, acpi_status acpi_ps_push_scope(struct acpi_parse_state *parser_state, union acpi_parse_object *op, - u32 remaining_args, u32 arg_count) + u32 remaining_args, u8 arg_count) { union acpi_generic_state *scope; @@ -154,7 +154,7 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state, return_ACPI_STATUS(AE_NO_MEMORY); } - scope->common.data_type = ACPI_DESC_TYPE_STATE_PSCOPE; + scope->common.descriptor_type = ACPI_DESC_TYPE_STATE_PSCOPE; scope->parse_scope.op = op; scope->parse_scope.arg_list = remaining_args; scope->parse_scope.arg_count = arg_count; @@ -196,7 +196,7 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state, void acpi_ps_pop_scope(struct acpi_parse_state *parser_state, - union acpi_parse_object **op, u32 * arg_list, u32 * arg_count) + union acpi_parse_object **op, u32 * arg_list, u8 * arg_count) { union acpi_generic_state *scope = parser_state->scope; @@ -207,7 +207,7 @@ acpi_ps_pop_scope(struct acpi_parse_state *parser_state, if (scope->common.next) { scope = acpi_ut_pop_generic_state(&parser_state->scope); - /* return to parsing previous op */ + /* Return to parsing previous op */ *op = scope->parse_scope.op; *arg_list = scope->parse_scope.arg_list; @@ -218,7 +218,7 @@ acpi_ps_pop_scope(struct acpi_parse_state *parser_state, acpi_ut_delete_generic_state(scope); } else { - /* empty parse stack, prepare to fetch next opcode */ + /* Empty parse stack, prepare to fetch next opcode */ *op = NULL; *arg_list = 0; diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c index a4c33a4bfe3..43e3190583e 100644 --- a/drivers/acpi/parser/psutils.c +++ b/drivers/acpi/parser/psutils.c @@ -89,7 +89,7 @@ void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode) { ACPI_FUNCTION_ENTRY(); - op->common.data_type = ACPI_DESC_TYPE_PARSER; + op->common.descriptor_type = ACPI_DESC_TYPE_PARSER; op->common.aml_opcode = opcode; ACPI_DISASM_ONLY_MEMBERS(ACPI_STRNCPY(op->common.aml_op_name, diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c index 8e406d992f3..dd5caa2c8fd 100644 --- a/drivers/acpi/resources/rscalc.c +++ b/drivers/acpi/resources/rscalc.c @@ -456,7 +456,7 @@ acpi_rs_get_list_length(u8 * aml_buffer, *size_needed += buffer_size; ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, - "Type %.2X, Aml %.2X internal %.2X\n", + "Type %.2X, aml_length %.2X internal_length %.2X\n", acpi_ut_get_resource_type(aml_buffer), acpi_ut_get_descriptor_length(aml_buffer), buffer_size)); diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c index 67c052af7bb..01488cfc9ba 100644 --- a/drivers/acpi/resources/rscreate.c +++ b/drivers/acpi/resources/rscreate.c @@ -75,6 +75,7 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer, u8 *aml_start; acpi_size list_size_needed = 0; u32 aml_buffer_length; + void *resource; ACPI_FUNCTION_TRACE("rs_create_resource_list"); @@ -107,8 +108,10 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer, /* Do the conversion */ - status = acpi_rs_convert_aml_to_resources(aml_start, aml_buffer_length, - output_buffer->pointer); + resource = output_buffer->pointer; + status = acpi_ut_walk_aml_resources(aml_start, aml_buffer_length, + acpi_rs_convert_aml_to_resources, + &resource); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c index 6f2d8de3952..50bbb19bf4a 100644 --- a/drivers/acpi/resources/rslist.c +++ b/drivers/acpi/resources/rslist.c @@ -51,92 +51,60 @@ ACPI_MODULE_NAME("rslist") * * FUNCTION: acpi_rs_convert_aml_to_resources * - * PARAMETERS: Aml - Pointer to the resource byte stream - * aml_length - Length of Aml - * output_buffer - Pointer to the buffer that will - * contain the output structures + * PARAMETERS: acpi_walk_aml_callback + * resource_ptr - Pointer to the buffer that will + * contain the output structures * * RETURN: Status * - * DESCRIPTION: Takes the resource byte stream and parses it, creating a - * linked list of resources in the caller's output buffer + * DESCRIPTION: Convert an AML resource to an internal representation of the + * resource that is aligned and easier to access. * ******************************************************************************/ acpi_status -acpi_rs_convert_aml_to_resources(u8 * aml, u32 aml_length, u8 * output_buffer) +acpi_rs_convert_aml_to_resources(u8 * aml, + u32 length, + u32 offset, + u8 resource_index, void **resource_ptr) { - struct acpi_resource *resource = (void *)output_buffer; + struct acpi_resource *resource = *resource_ptr; acpi_status status; - u8 resource_index; - u8 *end_aml; ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources"); - end_aml = aml + aml_length; - - /* Loop until end-of-buffer or an end_tag is found */ - - while (aml < end_aml) { - /* - * Check that the input buffer and all subsequent pointers into it - * are aligned on a native word boundary. Most important on IA64 - */ - if (ACPI_IS_MISALIGNED(resource)) { - ACPI_WARNING((AE_INFO, - "Misaligned resource pointer %p", - resource)); - } - - /* Validate the Resource Type and Resource Length */ - - status = acpi_ut_validate_resource(aml, &resource_index); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Convert the AML byte stream resource to a local resource struct */ - - status = - acpi_rs_convert_aml_to_resource(resource, - ACPI_CAST_PTR(union - aml_resource, - aml), - acpi_gbl_get_resource_dispatch - [resource_index]); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Could not convert AML resource (Type %X)", - *aml)); - return_ACPI_STATUS(status); - } - - ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, - "Type %.2X, Aml %.2X internal %.2X\n", - acpi_ut_get_resource_type(aml), - acpi_ut_get_descriptor_length(aml), - resource->length)); - - /* Normal exit on completion of an end_tag resource descriptor */ - - if (acpi_ut_get_resource_type(aml) == - ACPI_RESOURCE_NAME_END_TAG) { - return_ACPI_STATUS(AE_OK); - } - - /* Point to the next input AML resource */ - - aml += acpi_ut_get_descriptor_length(aml); - - /* Point to the next structure in the output buffer */ + /* + * Check that the input buffer and all subsequent pointers into it + * are aligned on a native word boundary. Most important on IA64 + */ + if (ACPI_IS_MISALIGNED(resource)) { + ACPI_WARNING((AE_INFO, + "Misaligned resource pointer %p", resource)); + } - resource = - ACPI_ADD_PTR(struct acpi_resource, resource, - resource->length); + /* Convert the AML byte stream resource to a local resource struct */ + + status = + acpi_rs_convert_aml_to_resource(resource, + ACPI_CAST_PTR(union aml_resource, + aml), + acpi_gbl_get_resource_dispatch + [resource_index]); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, + "Could not convert AML resource (Type %X)", + *aml)); + return_ACPI_STATUS(status); } |