Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / acpi / acpica / rsdump.c
diff --git a/kernel/drivers/acpi/acpica/rsdump.c b/kernel/drivers/acpi/acpica/rsdump.c
new file mode 100644 (file)
index 0000000..c428bb3
--- /dev/null
@@ -0,0 +1,569 @@
+/*******************************************************************************
+ *
+ * Module Name: rsdump - AML debugger support for resource structures.
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2015, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+ACPI_MODULE_NAME("rsdump")
+
+/*
+ * All functions in this module are used by the AML Debugger only
+ */
+#if defined(ACPI_DEBUGGER)
+/* Local prototypes */
+static void acpi_rs_out_string(char *title, char *value);
+
+static void acpi_rs_out_integer8(char *title, u8 value);
+
+static void acpi_rs_out_integer16(char *title, u16 value);
+
+static void acpi_rs_out_integer32(char *title, u32 value);
+
+static void acpi_rs_out_integer64(char *title, u64 value);
+
+static void acpi_rs_out_title(char *title);
+
+static void acpi_rs_dump_byte_list(u16 length, u8 *data);
+
+static void acpi_rs_dump_word_list(u16 length, u16 *data);
+
+static void acpi_rs_dump_dword_list(u8 length, u32 *data);
+
+static void acpi_rs_dump_short_byte_list(u8 length, u8 *data);
+
+static void
+acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source);
+
+static void acpi_rs_dump_address_common(union acpi_resource_data *resource);
+
+static void
+acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table);
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_dump_resource_list
+ *
+ * PARAMETERS:  resource_list       - Pointer to a resource descriptor list
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dispatches the structure to the correct dump routine.
+ *
+ ******************************************************************************/
+
+void acpi_rs_dump_resource_list(struct acpi_resource *resource_list)
+{
+       u32 count = 0;
+       u32 type;
+
+       ACPI_FUNCTION_ENTRY();
+
+       /* Check if debug output enabled */
+
+       if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) {
+               return;
+       }
+
+       /* Walk list and dump all resource descriptors (END_TAG terminates) */
+
+       do {
+               acpi_os_printf("\n[%02X] ", count);
+               count++;
+
+               /* Validate Type before dispatch */
+
+               type = resource_list->type;
+               if (type > ACPI_RESOURCE_TYPE_MAX) {
+                       acpi_os_printf
+                           ("Invalid descriptor type (%X) in resource list\n",
+                            resource_list->type);
+                       return;
+               }
+
+               /* Sanity check the length. It must not be zero, or we loop forever */
+
+               if (!resource_list->length) {
+                       acpi_os_printf
+                           ("Invalid zero length descriptor in resource list\n");
+                       return;
+               }
+
+               /* Dump the resource descriptor */
+
+               if (type == ACPI_RESOURCE_TYPE_SERIAL_BUS) {
+                       acpi_rs_dump_descriptor(&resource_list->data,
+                                               acpi_gbl_dump_serial_bus_dispatch
+                                               [resource_list->data.
+                                                common_serial_bus.type]);
+               } else {
+                       acpi_rs_dump_descriptor(&resource_list->data,
+                                               acpi_gbl_dump_resource_dispatch
+                                               [type]);
+               }
+
+               /* Point to the next resource structure */
+
+               resource_list = ACPI_NEXT_RESOURCE(resource_list);
+
+               /* Exit when END_TAG descriptor is reached */
+
+       } while (type != ACPI_RESOURCE_TYPE_END_TAG);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_dump_irq_list
+ *
+ * PARAMETERS:  route_table     - Pointer to the routing table to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print IRQ routing table
+ *
+ ******************************************************************************/
+
+void acpi_rs_dump_irq_list(u8 *route_table)
+{
+       struct acpi_pci_routing_table *prt_element;
+       u8 count;
+
+       ACPI_FUNCTION_ENTRY();
+
+       /* Check if debug output enabled */
+
+       if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) {
+               return;
+       }
+
+       prt_element = ACPI_CAST_PTR(struct acpi_pci_routing_table, route_table);
+
+       /* Dump all table elements, Exit on zero length element */
+
+       for (count = 0; prt_element->length; count++) {
+               acpi_os_printf("\n[%02X] PCI IRQ Routing Table Package\n",
+                              count);
+               acpi_rs_dump_descriptor(prt_element, acpi_rs_dump_prt);
+
+               prt_element = ACPI_ADD_PTR(struct acpi_pci_routing_table,
+                                          prt_element, prt_element->length);
+       }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_dump_descriptor
+ *
+ * PARAMETERS:  resource            - Buffer containing the resource
+ *              table               - Table entry to decode the resource
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump a resource descriptor based on a dump table entry.
+ *
+ ******************************************************************************/
+
+static void
+acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
+{
+       u8 *target = NULL;
+       u8 *previous_target;
+       char *name;
+       u8 count;
+
+       /* First table entry must contain the table length (# of table entries) */
+
+       count = table->offset;
+
+       while (count) {
+               previous_target = target;
+               target = ACPI_ADD_PTR(u8, resource, table->offset);
+               name = table->name;
+
+               switch (table->opcode) {
+               case ACPI_RSD_TITLE:
+                       /*
+                        * Optional resource title
+                        */
+                       if (table->name) {
+                               acpi_os_printf("%s Resource\n", name);
+                       }
+                       break;
+
+                       /* Strings */
+
+               case ACPI_RSD_LITERAL:
+
+                       acpi_rs_out_string(name,
+                                          ACPI_CAST_PTR(char, table->pointer));
+                       break;
+
+               case ACPI_RSD_STRING:
+
+                       acpi_rs_out_string(name, ACPI_CAST_PTR(char, target));
+                       break;
+
+                       /* Data items, 8/16/32/64 bit */
+
+               case ACPI_RSD_UINT8:
+
+                       if (table->pointer) {
+                               acpi_rs_out_string(name, ACPI_CAST_PTR(char,
+                                                                      table->
+                                                                      pointer
+                                                                      [*target]));
+                       } else {
+                               acpi_rs_out_integer8(name, ACPI_GET8(target));
+                       }
+                       break;
+
+               case ACPI_RSD_UINT16:
+
+                       acpi_rs_out_integer16(name, ACPI_GET16(target));
+                       break;
+
+               case ACPI_RSD_UINT32:
+
+                       acpi_rs_out_integer32(name, ACPI_GET32(target));
+                       break;
+
+               case ACPI_RSD_UINT64:
+
+                       acpi_rs_out_integer64(name, ACPI_GET64(target));
+                       break;
+
+                       /* Flags: 1-bit and 2-bit flags supported */
+
+               case ACPI_RSD_1BITFLAG:
+
+                       acpi_rs_out_string(name, ACPI_CAST_PTR(char,
+                                                              table->
+                                                              pointer[*target &
+                                                                      0x01]));
+                       break;
+
+               case ACPI_RSD_2BITFLAG:
+
+                       acpi_rs_out_string(name, ACPI_CAST_PTR(char,
+                                                              table->
+                                                              pointer[*target &
+                                                                      0x03]));
+                       break;
+
+               case ACPI_RSD_3BITFLAG:
+
+                       acpi_rs_out_string(name, ACPI_CAST_PTR(char,
+                                                              table->
+                                                              pointer[*target &
+                                                                      0x07]));
+                       break;
+
+               case ACPI_RSD_SHORTLIST:
+                       /*
+                        * Short byte list (single line output) for DMA and IRQ resources
+                        * Note: The list length is obtained from the previous table entry
+                        */
+                       if (previous_target) {
+                               acpi_rs_out_title(name);
+                               acpi_rs_dump_short_byte_list(*previous_target,
+                                                            target);
+                       }
+                       break;
+
+               case ACPI_RSD_SHORTLISTX:
+                       /*
+                        * Short byte list (single line output) for GPIO vendor data
+                        * Note: The list length is obtained from the previous table entry
+                        */
+                       if (previous_target) {
+                               acpi_rs_out_title(name);
+                               acpi_rs_dump_short_byte_list(*previous_target,
+                                                            *
+                                                            (ACPI_CAST_INDIRECT_PTR
+                                                             (u8, target)));
+                       }
+                       break;
+
+               case ACPI_RSD_LONGLIST:
+                       /*
+                        * Long byte list for Vendor resource data
+                        * Note: The list length is obtained from the previous table entry
+                        */
+                       if (previous_target) {
+                               acpi_rs_dump_byte_list(ACPI_GET16
+                                                      (previous_target),
+                                                      target);
+                       }
+                       break;
+
+               case ACPI_RSD_DWORDLIST:
+                       /*
+                        * Dword list for Extended Interrupt resources
+                        * Note: The list length is obtained from the previous table entry
+                        */
+                       if (previous_target) {
+                               acpi_rs_dump_dword_list(*previous_target,
+                                                       ACPI_CAST_PTR(u32,
+                                                                     target));
+                       }
+                       break;
+
+               case ACPI_RSD_WORDLIST:
+                       /*
+                        * Word list for GPIO Pin Table
+                        * Note: The list length is obtained from the previous table entry
+                        */
+                       if (previous_target) {
+                               acpi_rs_dump_word_list(*previous_target,
+                                                      *(ACPI_CAST_INDIRECT_PTR
+                                                        (u16, target)));
+                       }
+                       break;
+
+               case ACPI_RSD_ADDRESS:
+                       /*
+                        * Common flags for all Address resources
+                        */
+                       acpi_rs_dump_address_common(ACPI_CAST_PTR
+                                                   (union acpi_resource_data,
+                                                    target));
+                       break;
+
+               case ACPI_RSD_SOURCE:
+                       /*
+                        * Optional resource_source for Address resources
+                        */
+                       acpi_rs_dump_resource_source(ACPI_CAST_PTR
+                                                    (struct
+                                                                  acpi_resource_source,
+                                                                  target));
+                       break;
+
+               default:
+
+                       acpi_os_printf("**** Invalid table opcode [%X] ****\n",
+                                      table->opcode);
+                       return;
+               }
+
+               table++;
+               count--;
+       }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_dump_resource_source
+ *
+ * PARAMETERS:  resource_source     - Pointer to a Resource Source struct
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Common routine for dumping the optional resource_source and the
+ *              corresponding resource_source_index.
+ *
+ ******************************************************************************/
+
+static void
+acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source)
+{
+       ACPI_FUNCTION_ENTRY();
+
+       if (resource_source->index == 0xFF) {
+               return;
+       }
+
+       acpi_rs_out_integer8("Resource Source Index", resource_source->index);
+
+       acpi_rs_out_string("Resource Source",
+                          resource_source->string_ptr ?
+                          resource_source->string_ptr : "[Not Specified]");
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_dump_address_common
+ *
+ * PARAMETERS:  resource        - Pointer to an internal resource descriptor
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump the fields that are common to all Address resource
+ *              descriptors
+ *
+ ******************************************************************************/
+
+static void acpi_rs_dump_address_common(union acpi_resource_data *resource)
+{
+       ACPI_FUNCTION_ENTRY();
+
+       /* Decode the type-specific flags */
+
+       switch (resource->address.resource_type) {
+       case ACPI_MEMORY_RANGE:
+
+               acpi_rs_dump_descriptor(resource, acpi_rs_dump_memory_flags);
+               break;
+
+       case ACPI_IO_RANGE:
+
+               acpi_rs_dump_descriptor(resource, acpi_rs_dump_io_flags);
+               break;
+
+       case ACPI_BUS_NUMBER_RANGE:
+
+               acpi_rs_out_string("Resource Type", "Bus Number Range");
+               break;
+
+       default:
+
+               acpi_rs_out_integer8("Resource Type",
+                                    (u8) resource->address.resource_type);
+               break;
+       }
+
+       /* Decode the general flags */
+
+       acpi_rs_dump_descriptor(resource, acpi_rs_dump_general_flags);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_out*
+ *
+ * PARAMETERS:  title       - Name of the resource field
+ *              value       - Value of the resource field
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Miscellaneous helper functions to consistently format the
+ *              output of the resource dump routines
+ *
+ ******************************************************************************/
+
+static void acpi_rs_out_string(char *title, char *value)
+{
+       acpi_os_printf("%27s : %s", title, value);
+       if (!*value) {
+               acpi_os_printf("[NULL NAMESTRING]");
+       }
+       acpi_os_printf("\n");
+}
+
+static void acpi_rs_out_integer8(char *title, u8 value)
+{
+       acpi_os_printf("%27s : %2.2X\n", title, value);
+}
+
+static void acpi_rs_out_integer16(char *title, u16 value)
+{
+       acpi_os_printf("%27s : %4.4X\n", title, value);
+}
+
+static void acpi_rs_out_integer32(char *title, u32 value)
+{
+       acpi_os_printf("%27s : %8.8X\n", title, value);
+}
+
+static void acpi_rs_out_integer64(char *title, u64 value)
+{
+       acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value));
+}
+
+static void acpi_rs_out_title(char *title)
+{
+       acpi_os_printf("%27s : ", title);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_dump*List
+ *
+ * PARAMETERS:  length      - Number of elements in the list
+ *              data        - Start of the list
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Miscellaneous functions to dump lists of raw data
+ *
+ ******************************************************************************/
+
+static void acpi_rs_dump_byte_list(u16 length, u8 * data)
+{
+       u8 i;
+
+       for (i = 0; i < length; i++) {
+               acpi_os_printf("%25s%2.2X : %2.2X\n", "Byte", i, data[i]);
+       }
+}
+
+static void acpi_rs_dump_short_byte_list(u8 length, u8 * data)
+{
+       u8 i;
+
+       for (i = 0; i < length; i++) {
+               acpi_os_printf("%X ", data[i]);
+       }
+       acpi_os_printf("\n");
+}
+
+static void acpi_rs_dump_dword_list(u8 length, u32 * data)
+{
+       u8 i;
+
+       for (i = 0; i < length; i++) {
+               acpi_os_printf("%25s%2.2X : %8.8X\n", "Dword", i, data[i]);
+       }
+}
+
+static void acpi_rs_dump_word_list(u16 length, u16 *data)
+{
+       u16 i;
+
+       for (i = 0; i < length; i++) {
+               acpi_os_printf("%25s%2.2X : %4.4X\n", "Word", i, data[i]);
+       }
+}
+
+#endif