diff options
Diffstat (limited to 'drivers/acpi/tables/tbxface.c')
| -rw-r--r-- | drivers/acpi/tables/tbxface.c | 246 |
1 files changed, 107 insertions, 139 deletions
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c index e18a05d..3f96a49 100644 --- a/drivers/acpi/tables/tbxface.c +++ b/drivers/acpi/tables/tbxface.c @@ -48,10 +48,8 @@ #include <acpi/acnamesp.h> #include <acpi/actables.h> - #define _COMPONENT ACPI_TABLES - ACPI_MODULE_NAME ("tbxface") - +ACPI_MODULE_NAME("tbxface") /******************************************************************************* * @@ -65,25 +63,20 @@ * provided RSDT * ******************************************************************************/ - -acpi_status -acpi_load_tables ( - void) +acpi_status acpi_load_tables(void) { - struct acpi_pointer rsdp_address; - acpi_status status; - - - ACPI_FUNCTION_TRACE ("acpi_load_tables"); + struct acpi_pointer rsdp_address; + acpi_status status; + ACPI_FUNCTION_TRACE("acpi_load_tables"); /* Get the RSDP */ - status = acpi_os_get_root_pointer (ACPI_LOGICAL_ADDRESSING, - &rsdp_address); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("acpi_load_tables: Could not get RSDP, %s\n", - acpi_format_exception (status))); + status = acpi_os_get_root_pointer(ACPI_LOGICAL_ADDRESSING, + &rsdp_address); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("acpi_load_tables: Could not get RSDP, %s\n", + acpi_format_exception(status))); goto error_exit; } @@ -91,54 +84,47 @@ acpi_load_tables ( acpi_gbl_table_flags = rsdp_address.pointer_type; - status = acpi_tb_verify_rsdp (&rsdp_address); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("acpi_load_tables: RSDP Failed validation: %s\n", - acpi_format_exception (status))); + status = acpi_tb_verify_rsdp(&rsdp_address); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("acpi_load_tables: RSDP Failed validation: %s\n", acpi_format_exception(status))); goto error_exit; } /* Get the RSDT via the RSDP */ - status = acpi_tb_get_table_rsdt (); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("acpi_load_tables: Could not load RSDT: %s\n", - acpi_format_exception (status))); + status = acpi_tb_get_table_rsdt(); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("acpi_load_tables: Could not load RSDT: %s\n", acpi_format_exception(status))); goto error_exit; } /* Now get the tables needed by this subsystem (FADT, DSDT, etc.) */ - status = acpi_tb_get_required_tables (); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (( - "acpi_load_tables: Error getting required tables (DSDT/FADT/FACS): %s\n", - acpi_format_exception (status))); + status = acpi_tb_get_required_tables(); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("acpi_load_tables: Error getting required tables (DSDT/FADT/FACS): %s\n", acpi_format_exception(status))); goto error_exit; } - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI Tables successfully acquired\n")); + ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI Tables successfully acquired\n")); /* Load the namespace from the tables */ - status = acpi_ns_load_namespace (); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("acpi_load_tables: Could not load namespace: %s\n", - acpi_format_exception (status))); + status = acpi_ns_load_namespace(); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("acpi_load_tables: Could not load namespace: %s\n", acpi_format_exception(status))); goto error_exit; } - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); + error_exit: + ACPI_REPORT_ERROR(("acpi_load_tables: Could not load tables: %s\n", + acpi_format_exception(status))); -error_exit: - ACPI_REPORT_ERROR (("acpi_load_tables: Could not load tables: %s\n", - acpi_format_exception (status))); - - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - #ifdef ACPI_FUTURE_USAGE /******************************************************************************* * @@ -156,43 +142,39 @@ error_exit: * ******************************************************************************/ -acpi_status -acpi_load_table ( - struct acpi_table_header *table_ptr) +acpi_status acpi_load_table(struct acpi_table_header *table_ptr) { - acpi_status status; - struct acpi_table_desc table_info; - struct acpi_pointer address; - - - ACPI_FUNCTION_TRACE ("acpi_load_table"); + acpi_status status; + struct acpi_table_desc table_info; + struct acpi_pointer address; + ACPI_FUNCTION_TRACE("acpi_load_table"); if (!table_ptr) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Copy the table to a local buffer */ - address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING; + address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING; address.pointer.logical = table_ptr; - status = acpi_tb_get_table_body (&address, table_ptr, &table_info); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_tb_get_table_body(&address, table_ptr, &table_info); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Check signature for a valid table type */ - status = acpi_tb_recognize_table (&table_info, ACPI_TABLE_ALL); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_tb_recognize_table(&table_info, ACPI_TABLE_ALL); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Install the new table into the local data structures */ - status = acpi_tb_install_table (&table_info); - if (ACPI_FAILURE (status)) { + status = acpi_tb_install_table(&table_info); + if (ACPI_FAILURE(status)) { if (status == AE_ALREADY_EXISTS) { /* Table already exists, no error */ @@ -201,8 +183,8 @@ acpi_load_table ( /* Free table allocated by acpi_tb_get_table_body */ - acpi_tb_delete_single_table (&table_info); - return_ACPI_STATUS (status); + acpi_tb_delete_single_table(&table_info); + return_ACPI_STATUS(status); } /* Convert the table to common format if necessary */ @@ -210,31 +192,32 @@ acpi_load_table ( switch (table_info.type) { case ACPI_TABLE_FADT: - status = acpi_tb_convert_table_fadt (); + status = acpi_tb_convert_table_fadt(); break; case ACPI_TABLE_FACS: - status = acpi_tb_build_common_facs (&table_info); + status = acpi_tb_build_common_facs(&table_info); break; default: /* Load table into namespace if it contains executable AML */ - status = acpi_ns_load_table (table_info.installed_desc, acpi_gbl_root_node); + status = + acpi_ns_load_table(table_info.installed_desc, + acpi_gbl_root_node); break; } - if (ACPI_FAILURE (status)) { + if (ACPI_FAILURE(status)) { /* Uninstall table and free the buffer */ - (void) acpi_tb_uninstall_table (table_info.installed_desc); + (void)acpi_tb_uninstall_table(table_info.installed_desc); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_unload_table @@ -247,20 +230,16 @@ acpi_load_table ( * ******************************************************************************/ -acpi_status -acpi_unload_table ( - acpi_table_type table_type) +acpi_status acpi_unload_table(acpi_table_type table_type) { - struct acpi_table_desc *table_desc; - - - ACPI_FUNCTION_TRACE ("acpi_unload_table"); + struct acpi_table_desc *table_desc; + ACPI_FUNCTION_TRACE("acpi_unload_table"); /* Parameter validation */ if (table_type > ACPI_TABLE_MAX) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Find all tables of the requested type */ @@ -273,18 +252,17 @@ acpi_unload_table ( * "Scope" operator. Thus, we need to track ownership by an ID, not * simply a position within the hierarchy */ - acpi_ns_delete_namespace_by_owner (table_desc->owner_id); - acpi_ut_release_owner_id (&table_desc->owner_id); + acpi_ns_delete_namespace_by_owner(table_desc->owner_id); + acpi_ut_release_owner_id(&table_desc->owner_id); table_desc = table_desc->next; } /* Delete (or unmap) all tables of this type */ - acpi_tb_delete_tables_by_type (table_type); - return_ACPI_STATUS (AE_OK); + acpi_tb_delete_tables_by_type(table_type); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_get_table_header @@ -307,54 +285,49 @@ acpi_unload_table ( ******************************************************************************/ acpi_status -acpi_get_table_header ( - acpi_table_type table_type, - u32 instance, - struct acpi_table_header *out_table_header) +acpi_get_table_header(acpi_table_type table_type, + u32 instance, struct acpi_table_header *out_table_header) { - struct acpi_table_header *tbl_ptr; - acpi_status status; - - - ACPI_FUNCTION_TRACE ("acpi_get_table_header"); + struct acpi_table_header *tbl_ptr; + acpi_status status; + ACPI_FUNCTION_TRACE("acpi_get_table_header"); - if ((instance == 0) || - (table_type == ACPI_TABLE_RSDP) || - (!out_table_header)) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + if ((instance == 0) || + (table_type == ACPI_TABLE_RSDP) || (!out_table_header)) { + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Check the table type and instance */ - if ((table_type > ACPI_TABLE_MAX) || - (ACPI_IS_SINGLE_TABLE (acpi_gbl_table_data[table_type].flags) && - instance > 1)) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + if ((table_type > ACPI_TABLE_MAX) || + (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) && + instance > 1)) { + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Get a pointer to the entire table */ - status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_tb_get_table_ptr(table_type, instance, &tbl_ptr); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* The function will return a NULL pointer if the table is not loaded */ if (tbl_ptr == NULL) { - return_ACPI_STATUS (AE_NOT_EXIST); + return_ACPI_STATUS(AE_NOT_EXIST); } /* Copy the header to the caller's buffer */ - ACPI_MEMCPY ((void *) out_table_header, (void *) tbl_ptr, - sizeof (struct acpi_table_header)); + ACPI_MEMCPY((void *)out_table_header, (void *)tbl_ptr, + sizeof(struct acpi_table_header)); - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } -#endif /* ACPI_FUTURE_USAGE */ +#endif /* ACPI_FUTURE_USAGE */ /******************************************************************************* * @@ -380,43 +353,39 @@ acpi_get_table_header ( ******************************************************************************/ acpi_status -acpi_get_table ( - acpi_table_type table_type, - u32 instance, - struct acpi_buffer *ret_buffer) +acpi_get_table(acpi_table_type table_type, + u32 instance, struct acpi_buffer *ret_buffer) { - struct acpi_table_header *tbl_ptr; - acpi_status status; - acpi_size table_length; - - - ACPI_FUNCTION_TRACE ("acpi_get_table"); + struct acpi_table_header *tbl_ptr; + acpi_status status; + acpi_size table_length; + ACPI_FUNCTION_TRACE("acpi_get_table"); /* Parameter validation */ if (instance == 0) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } - status = acpi_ut_validate_buffer (ret_buffer); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_validate_buffer(ret_buffer); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Check the table type and instance */ - if ((table_type > ACPI_TABLE_MAX) || - (ACPI_IS_SINGLE_TABLE (acpi_gbl_table_data[table_type].flags) && - instance > 1)) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + if ((table_type > ACPI_TABLE_MAX) || + (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) && + instance > 1)) { + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Get a pointer to the entire table */ - status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_tb_get_table_ptr(table_type, instance, &tbl_ptr); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* @@ -424,7 +393,7 @@ acpi_get_table ( * table is not loaded. */ if (tbl_ptr == NULL) { - return_ACPI_STATUS (AE_NOT_EXIST); + return_ACPI_STATUS(AE_NOT_EXIST); } /* Get the table length */ @@ -432,23 +401,22 @@ acpi_get_table ( if (table_type == ACPI_TABLE_RSDP) { /* RSD PTR is the only "table" without a header */ - table_length = sizeof (struct rsdp_descriptor); - } - else { + table_length = sizeof(struct rsdp_descriptor); + } else { table_length = (acpi_size) tbl_ptr->length; } /* Validate/Allocate/Clear caller buffer */ - status = acpi_ut_initialize_buffer (ret_buffer, table_length); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_initialize_buffer(ret_buffer, table_length); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Copy the table to the buffer */ - ACPI_MEMCPY ((void *) ret_buffer->pointer, (void *) tbl_ptr, table_length); - return_ACPI_STATUS (AE_OK); + ACPI_MEMCPY((void *)ret_buffer->pointer, (void *)tbl_ptr, table_length); + return_ACPI_STATUS(AE_OK); } -EXPORT_SYMBOL(acpi_get_table); +EXPORT_SYMBOL(acpi_get_table); |
