Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 576 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c
new file mode 100644
index 000000000..6601e71b4
--- /dev/null
+++ b/drivers/acpi/acpica/rsdump.c
@@ -0,0 +1,576 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/*******************************************************************************
+ *
+ * Module Name: rsdump - AML debugger support for resource structures.
+ *
+ ******************************************************************************/
+
+#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
+ */
+/* Local prototypes */
+static void acpi_rs_out_string(const char *title, const char *value);
+
+static void acpi_rs_out_integer8(const char *title, u8 value);
+
+static void acpi_rs_out_integer16(const char *title, u16 value);
+
+static void acpi_rs_out_integer32(const char *title, u32 value);
+
+static void acpi_rs_out_integer64(const char *title, u64 value);
+
+static void acpi_rs_out_title(const 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_resource_label(char *title,
+			    struct acpi_resource_label *resource_label);
+
+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;
+	const 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,
+						   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,
+					   table->pointer[*target & 0x01]);
+			break;
+
+		case ACPI_RSD_2BITFLAG:
+
+			acpi_rs_out_string(name,
+					   table->pointer[*target & 0x03]);
+			break;
+
+		case ACPI_RSD_3BITFLAG:
+
+			acpi_rs_out_string(name,
+					   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;
+
+		case ACPI_RSD_LABEL:
+			/*
+			 * resource_label
+			 */
+			acpi_rs_dump_resource_label("Resource Label",
+						    ACPI_CAST_PTR(struct
+								  acpi_resource_label,
+								  target));
+			break;
+
+		case ACPI_RSD_SOURCE_LABEL:
+			/*
+			 * resource_source_label
+			 */
+			acpi_rs_dump_resource_label("Resource Source Label",
+						    ACPI_CAST_PTR(struct
+								  acpi_resource_label,
+								  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_resource_label
+ *
+ * PARAMETERS:  title              - Title of the dumped resource field
+ *              resource_label     - Pointer to a Resource Label struct
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Common routine for dumping the resource_label
+ *
+ ******************************************************************************/
+
+static void
+acpi_rs_dump_resource_label(char *title,
+			    struct acpi_resource_label *resource_label)
+{
+	ACPI_FUNCTION_ENTRY();
+
+	acpi_rs_out_string(title,
+			   resource_label->string_ptr ?
+			   resource_label->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(const char *title, const 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(const char *title, u8 value)
+{
+	acpi_os_printf("%27s : %2.2X\n", title, value);
+}
+
+static void acpi_rs_out_integer16(const char *title, u16 value)
+{
+
+	acpi_os_printf("%27s : %4.4X\n", title, value);
+}
+
+static void acpi_rs_out_integer32(const char *title, u32 value)
+{
+
+	acpi_os_printf("%27s : %8.8X\n", title, value);
+}
+
+static void acpi_rs_out_integer64(const char *title, u64 value)
+{
+
+	acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value));
+}
+
+static void acpi_rs_out_title(const 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)
+{
+	u16 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]);
+	}
+}