cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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rsinfo.c (11447B)


      1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
      2/*******************************************************************************
      3 *
      4 * Module Name: rsinfo - Dispatch and Info tables
      5 *
      6 ******************************************************************************/
      7
      8#include <acpi/acpi.h>
      9#include "accommon.h"
     10#include "acresrc.h"
     11
     12#define _COMPONENT          ACPI_RESOURCES
     13ACPI_MODULE_NAME("rsinfo")
     14
     15/*
     16 * Resource dispatch and information tables. Any new resource types (either
     17 * Large or Small) must be reflected in each of these tables, so they are here
     18 * in one place.
     19 *
     20 * The tables for Large descriptors are indexed by bits 6:0 of the AML
     21 * descriptor type byte. The tables for Small descriptors are indexed by
     22 * bits 6:3 of the descriptor byte. The tables for internal resource
     23 * descriptors are indexed by the acpi_resource_type field.
     24 */
     25/* Dispatch table for resource-to-AML (Set Resource) conversion functions */
     26struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[] = {
     27	acpi_rs_set_irq,	/* 0x00, ACPI_RESOURCE_TYPE_IRQ */
     28	acpi_rs_convert_dma,	/* 0x01, ACPI_RESOURCE_TYPE_DMA */
     29	acpi_rs_set_start_dpf,	/* 0x02, ACPI_RESOURCE_TYPE_START_DEPENDENT */
     30	acpi_rs_convert_end_dpf,	/* 0x03, ACPI_RESOURCE_TYPE_END_DEPENDENT */
     31	acpi_rs_convert_io,	/* 0x04, ACPI_RESOURCE_TYPE_IO */
     32	acpi_rs_convert_fixed_io,	/* 0x05, ACPI_RESOURCE_TYPE_FIXED_IO */
     33	acpi_rs_set_vendor,	/* 0x06, ACPI_RESOURCE_TYPE_VENDOR */
     34	acpi_rs_convert_end_tag,	/* 0x07, ACPI_RESOURCE_TYPE_END_TAG */
     35	acpi_rs_convert_memory24,	/* 0x08, ACPI_RESOURCE_TYPE_MEMORY24 */
     36	acpi_rs_convert_memory32,	/* 0x09, ACPI_RESOURCE_TYPE_MEMORY32 */
     37	acpi_rs_convert_fixed_memory32,	/* 0x0A, ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
     38	acpi_rs_convert_address16,	/* 0x0B, ACPI_RESOURCE_TYPE_ADDRESS16 */
     39	acpi_rs_convert_address32,	/* 0x0C, ACPI_RESOURCE_TYPE_ADDRESS32 */
     40	acpi_rs_convert_address64,	/* 0x0D, ACPI_RESOURCE_TYPE_ADDRESS64 */
     41	acpi_rs_convert_ext_address64,	/* 0x0E, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
     42	acpi_rs_convert_ext_irq,	/* 0x0F, ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
     43	acpi_rs_convert_generic_reg,	/* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
     44	acpi_rs_convert_gpio,	/* 0x11, ACPI_RESOURCE_TYPE_GPIO */
     45	acpi_rs_convert_fixed_dma,	/* 0x12, ACPI_RESOURCE_TYPE_FIXED_DMA */
     46	NULL,			/* 0x13, ACPI_RESOURCE_TYPE_SERIAL_BUS - Use subtype table below */
     47	acpi_rs_convert_pin_function,	/* 0x14, ACPI_RESOURCE_TYPE_PIN_FUNCTION */
     48	acpi_rs_convert_pin_config,	/* 0x15, ACPI_RESOURCE_TYPE_PIN_CONFIG */
     49	acpi_rs_convert_pin_group,	/* 0x16, ACPI_RESOURCE_TYPE_PIN_GROUP */
     50	acpi_rs_convert_pin_group_function,	/* 0x17, ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION */
     51	acpi_rs_convert_pin_group_config,	/* 0x18, ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG */
     52};
     53
     54/* Dispatch tables for AML-to-resource (Get Resource) conversion functions */
     55
     56struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = {
     57	/* Small descriptors */
     58
     59	NULL,			/* 0x00, Reserved */
     60	NULL,			/* 0x01, Reserved */
     61	NULL,			/* 0x02, Reserved */
     62	NULL,			/* 0x03, Reserved */
     63	acpi_rs_get_irq,	/* 0x04, ACPI_RESOURCE_NAME_IRQ */
     64	acpi_rs_convert_dma,	/* 0x05, ACPI_RESOURCE_NAME_DMA */
     65	acpi_rs_get_start_dpf,	/* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */
     66	acpi_rs_convert_end_dpf,	/* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
     67	acpi_rs_convert_io,	/* 0x08, ACPI_RESOURCE_NAME_IO */
     68	acpi_rs_convert_fixed_io,	/* 0x09, ACPI_RESOURCE_NAME_FIXED_IO */
     69	acpi_rs_convert_fixed_dma,	/* 0x0A, ACPI_RESOURCE_NAME_FIXED_DMA */
     70	NULL,			/* 0x0B, Reserved */
     71	NULL,			/* 0x0C, Reserved */
     72	NULL,			/* 0x0D, Reserved */
     73	acpi_rs_get_vendor_small,	/* 0x0E, ACPI_RESOURCE_NAME_VENDOR_SMALL */
     74	acpi_rs_convert_end_tag,	/* 0x0F, ACPI_RESOURCE_NAME_END_TAG */
     75
     76	/* Large descriptors */
     77
     78	NULL,			/* 0x00, Reserved */
     79	acpi_rs_convert_memory24,	/* 0x01, ACPI_RESOURCE_NAME_MEMORY24 */
     80	acpi_rs_convert_generic_reg,	/* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */
     81	NULL,			/* 0x03, Reserved */
     82	acpi_rs_get_vendor_large,	/* 0x04, ACPI_RESOURCE_NAME_VENDOR_LARGE */
     83	acpi_rs_convert_memory32,	/* 0x05, ACPI_RESOURCE_NAME_MEMORY32 */
     84	acpi_rs_convert_fixed_memory32,	/* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY32 */
     85	acpi_rs_convert_address32,	/* 0x07, ACPI_RESOURCE_NAME_ADDRESS32 */
     86	acpi_rs_convert_address16,	/* 0x08, ACPI_RESOURCE_NAME_ADDRESS16 */
     87	acpi_rs_convert_ext_irq,	/* 0x09, ACPI_RESOURCE_NAME_EXTENDED_IRQ */
     88	acpi_rs_convert_address64,	/* 0x0A, ACPI_RESOURCE_NAME_ADDRESS64 */
     89	acpi_rs_convert_ext_address64,	/* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */
     90	acpi_rs_convert_gpio,	/* 0x0C, ACPI_RESOURCE_NAME_GPIO */
     91	acpi_rs_convert_pin_function,	/* 0x0D, ACPI_RESOURCE_NAME_PIN_FUNCTION */
     92	NULL,			/* 0x0E, ACPI_RESOURCE_NAME_SERIAL_BUS - Use subtype table below */
     93	acpi_rs_convert_pin_config,	/* 0x0F, ACPI_RESOURCE_NAME_PIN_CONFIG */
     94	acpi_rs_convert_pin_group,	/* 0x10, ACPI_RESOURCE_NAME_PIN_GROUP */
     95	acpi_rs_convert_pin_group_function,	/* 0x11, ACPI_RESOURCE_NAME_PIN_GROUP_FUNCTION */
     96	acpi_rs_convert_pin_group_config,	/* 0x12, ACPI_RESOURCE_NAME_PIN_GROUP_CONFIG */
     97};
     98
     99/* Subtype table for serial_bus -- I2C, SPI, UART, and CSI2 */
    100
    101struct acpi_rsconvert_info *acpi_gbl_convert_resource_serial_bus_dispatch[] = {
    102	NULL,
    103	acpi_rs_convert_i2c_serial_bus,
    104	acpi_rs_convert_spi_serial_bus,
    105	acpi_rs_convert_uart_serial_bus,
    106	acpi_rs_convert_csi2_serial_bus
    107};
    108
    109#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUGGER)
    110
    111/* Dispatch table for resource dump functions */
    112
    113struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[] = {
    114	acpi_rs_dump_irq,	/* ACPI_RESOURCE_TYPE_IRQ */
    115	acpi_rs_dump_dma,	/* ACPI_RESOURCE_TYPE_DMA */
    116	acpi_rs_dump_start_dpf,	/* ACPI_RESOURCE_TYPE_START_DEPENDENT */
    117	acpi_rs_dump_end_dpf,	/* ACPI_RESOURCE_TYPE_END_DEPENDENT */
    118	acpi_rs_dump_io,	/* ACPI_RESOURCE_TYPE_IO */
    119	acpi_rs_dump_fixed_io,	/* ACPI_RESOURCE_TYPE_FIXED_IO */
    120	acpi_rs_dump_vendor,	/* ACPI_RESOURCE_TYPE_VENDOR */
    121	acpi_rs_dump_end_tag,	/* ACPI_RESOURCE_TYPE_END_TAG */
    122	acpi_rs_dump_memory24,	/* ACPI_RESOURCE_TYPE_MEMORY24 */
    123	acpi_rs_dump_memory32,	/* ACPI_RESOURCE_TYPE_MEMORY32 */
    124	acpi_rs_dump_fixed_memory32,	/* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
    125	acpi_rs_dump_address16,	/* ACPI_RESOURCE_TYPE_ADDRESS16 */
    126	acpi_rs_dump_address32,	/* ACPI_RESOURCE_TYPE_ADDRESS32 */
    127	acpi_rs_dump_address64,	/* ACPI_RESOURCE_TYPE_ADDRESS64 */
    128	acpi_rs_dump_ext_address64,	/* ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
    129	acpi_rs_dump_ext_irq,	/* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
    130	acpi_rs_dump_generic_reg,	/* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
    131	acpi_rs_dump_gpio,	/* ACPI_RESOURCE_TYPE_GPIO */
    132	acpi_rs_dump_fixed_dma,	/* ACPI_RESOURCE_TYPE_FIXED_DMA */
    133	NULL,			/* ACPI_RESOURCE_TYPE_SERIAL_BUS */
    134	acpi_rs_dump_pin_function,	/* ACPI_RESOURCE_TYPE_PIN_FUNCTION */
    135	acpi_rs_dump_pin_config,	/* ACPI_RESOURCE_TYPE_PIN_CONFIG */
    136	acpi_rs_dump_pin_group,	/* ACPI_RESOURCE_TYPE_PIN_GROUP */
    137	acpi_rs_dump_pin_group_function,	/* ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION */
    138	acpi_rs_dump_pin_group_config,	/* ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG */
    139};
    140
    141struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[] = {
    142	NULL,
    143	acpi_rs_dump_i2c_serial_bus,	/* AML_RESOURCE_I2C_BUS_TYPE */
    144	acpi_rs_dump_spi_serial_bus,	/* AML_RESOURCE_SPI_BUS_TYPE */
    145	acpi_rs_dump_uart_serial_bus,	/* AML_RESOURCE_UART_BUS_TYPE */
    146	acpi_rs_dump_csi2_serial_bus,	/* AML_RESOURCE_CSI2_BUS_TYPE */
    147};
    148#endif
    149
    150/*
    151 * Base sizes for external AML resource descriptors, indexed by internal type.
    152 * Includes size of the descriptor header (1 byte for small descriptors,
    153 * 3 bytes for large descriptors)
    154 */
    155const u8 acpi_gbl_aml_resource_sizes[] = {
    156	sizeof(struct aml_resource_irq),	/* ACPI_RESOURCE_TYPE_IRQ (optional Byte 3 always created) */
    157	sizeof(struct aml_resource_dma),	/* ACPI_RESOURCE_TYPE_DMA */
    158	sizeof(struct aml_resource_start_dependent),	/* ACPI_RESOURCE_TYPE_START_DEPENDENT (optional Byte 1 always created) */
    159	sizeof(struct aml_resource_end_dependent),	/* ACPI_RESOURCE_TYPE_END_DEPENDENT */
    160	sizeof(struct aml_resource_io),	/* ACPI_RESOURCE_TYPE_IO */
    161	sizeof(struct aml_resource_fixed_io),	/* ACPI_RESOURCE_TYPE_FIXED_IO */
    162	sizeof(struct aml_resource_vendor_small),	/* ACPI_RESOURCE_TYPE_VENDOR */
    163	sizeof(struct aml_resource_end_tag),	/* ACPI_RESOURCE_TYPE_END_TAG */
    164	sizeof(struct aml_resource_memory24),	/* ACPI_RESOURCE_TYPE_MEMORY24 */
    165	sizeof(struct aml_resource_memory32),	/* ACPI_RESOURCE_TYPE_MEMORY32 */
    166	sizeof(struct aml_resource_fixed_memory32),	/* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
    167	sizeof(struct aml_resource_address16),	/* ACPI_RESOURCE_TYPE_ADDRESS16 */
    168	sizeof(struct aml_resource_address32),	/* ACPI_RESOURCE_TYPE_ADDRESS32 */
    169	sizeof(struct aml_resource_address64),	/* ACPI_RESOURCE_TYPE_ADDRESS64 */
    170	sizeof(struct aml_resource_extended_address64),	/*ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
    171	sizeof(struct aml_resource_extended_irq),	/* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
    172	sizeof(struct aml_resource_generic_register),	/* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
    173	sizeof(struct aml_resource_gpio),	/* ACPI_RESOURCE_TYPE_GPIO */
    174	sizeof(struct aml_resource_fixed_dma),	/* ACPI_RESOURCE_TYPE_FIXED_DMA */
    175	sizeof(struct aml_resource_common_serialbus),	/* ACPI_RESOURCE_TYPE_SERIAL_BUS */
    176	sizeof(struct aml_resource_pin_function),	/* ACPI_RESOURCE_TYPE_PIN_FUNCTION */
    177	sizeof(struct aml_resource_pin_config),	/* ACPI_RESOURCE_TYPE_PIN_CONFIG */
    178	sizeof(struct aml_resource_pin_group),	/* ACPI_RESOURCE_TYPE_PIN_GROUP */
    179	sizeof(struct aml_resource_pin_group_function),	/* ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION */
    180	sizeof(struct aml_resource_pin_group_config),	/* ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG */
    181};
    182
    183const u8 acpi_gbl_resource_struct_sizes[] = {
    184	/* Small descriptors */
    185
    186	0,
    187	0,
    188	0,
    189	0,
    190	ACPI_RS_SIZE(struct acpi_resource_irq),
    191	ACPI_RS_SIZE(struct acpi_resource_dma),
    192	ACPI_RS_SIZE(struct acpi_resource_start_dependent),
    193	ACPI_RS_SIZE_MIN,
    194	ACPI_RS_SIZE(struct acpi_resource_io),
    195	ACPI_RS_SIZE(struct acpi_resource_fixed_io),
    196	ACPI_RS_SIZE(struct acpi_resource_fixed_dma),
    197	0,
    198	0,
    199	0,
    200	ACPI_RS_SIZE(struct acpi_resource_vendor),
    201	ACPI_RS_SIZE_MIN,
    202
    203	/* Large descriptors */
    204
    205	0,
    206	ACPI_RS_SIZE(struct acpi_resource_memory24),
    207	ACPI_RS_SIZE(struct acpi_resource_generic_register),
    208	0,
    209	ACPI_RS_SIZE(struct acpi_resource_vendor),
    210	ACPI_RS_SIZE(struct acpi_resource_memory32),
    211	ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
    212	ACPI_RS_SIZE(struct acpi_resource_address32),
    213	ACPI_RS_SIZE(struct acpi_resource_address16),
    214	ACPI_RS_SIZE(struct acpi_resource_extended_irq),
    215	ACPI_RS_SIZE(struct acpi_resource_address64),
    216	ACPI_RS_SIZE(struct acpi_resource_extended_address64),
    217	ACPI_RS_SIZE(struct acpi_resource_gpio),
    218	ACPI_RS_SIZE(struct acpi_resource_pin_function),
    219	ACPI_RS_SIZE(struct acpi_resource_common_serialbus),
    220	ACPI_RS_SIZE(struct acpi_resource_pin_config),
    221	ACPI_RS_SIZE(struct acpi_resource_pin_group),
    222	ACPI_RS_SIZE(struct acpi_resource_pin_group_function),
    223	ACPI_RS_SIZE(struct acpi_resource_pin_group_config),
    224};
    225
    226const u8 acpi_gbl_aml_resource_serial_bus_sizes[] = {
    227	0,
    228	sizeof(struct aml_resource_i2c_serialbus),
    229	sizeof(struct aml_resource_spi_serialbus),
    230	sizeof(struct aml_resource_uart_serialbus),
    231	sizeof(struct aml_resource_csi2_serialbus),
    232};
    233
    234const u8 acpi_gbl_resource_struct_serial_bus_sizes[] = {
    235	0,
    236	ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
    237	ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
    238	ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
    239	ACPI_RS_SIZE(struct acpi_resource_csi2_serialbus),
    240};