373 lines
10 KiB
C
373 lines
10 KiB
C
/*
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* Copyright (c) 2023 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/arch/cpu.h>
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#include <zephyr/device.h>
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#include <stdbool.h>
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#include <zephyr/drivers/pcie/pcie.h>
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#include <zephyr/acpi/acpi.h>
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#include <zephyr/shell/shell.h>
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static void dump_dev_res(const struct shell *sh, ACPI_RESOURCE *res_lst)
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{
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ACPI_RESOURCE *res = res_lst;
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shell_print(sh, "**** ACPI Device Resource Info ****");
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do {
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if (!res->Length) {
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shell_error(sh, "Error: zero length found!");
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break;
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}
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switch (res->Type) {
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case ACPI_RESOURCE_TYPE_IRQ:
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shell_print(sh, "ACPI_RESOURCE_TYPE_IRQ");
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ACPI_RESOURCE_IRQ *irq_res = &res->Data.Irq;
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shell_print(sh, "\tDescriptorLength: %x", irq_res->DescriptorLength);
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shell_print(sh, "\tTriggering: %x", irq_res->Triggering);
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shell_print(sh, "\tPolarity: %x", irq_res->Polarity);
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shell_print(sh, "\tShareable: %x", irq_res->Shareable);
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shell_print(sh, "\tInterruptCount: %d", irq_res->InterruptCount);
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shell_print(sh, "\tInterrupts[0]: %x", irq_res->Interrupts[0]);
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break;
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case ACPI_RESOURCE_TYPE_IO: {
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ACPI_RESOURCE_IO *io_res = &res->Data.Io;
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shell_print(sh, "ACPI_RESOURCE_TYPE_IO");
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shell_print(sh, "\tIoDecode: %x", io_res->IoDecode);
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shell_print(sh, "\tAlignment: %x", io_res->Alignment);
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shell_print(sh, "\tAddressLength: %x", io_res->AddressLength);
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shell_print(sh, "\tMinimum: %x", io_res->Minimum);
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shell_print(sh, "\tMaximum: %x", io_res->Maximum);
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break;
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}
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case ACPI_RESOURCE_TYPE_DMA:
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shell_print(sh, "ACPI_RESOURCE_TYPE_DMA");
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break;
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case ACPI_RESOURCE_TYPE_START_DEPENDENT:
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shell_print(sh, "ACPI_RESOURCE_TYPE_START_DEPENDENT");
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break;
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case ACPI_RESOURCE_TYPE_END_DEPENDENT:
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shell_print(sh, "ACPI_RESOURCE_TYPE_END_DEPENDENT");
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break;
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case ACPI_RESOURCE_TYPE_FIXED_IO:
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shell_print(sh, "ACPI_RESOURCE_TYPE_FIXED_IO");
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break;
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case ACPI_RESOURCE_TYPE_VENDOR:
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shell_print(sh, "ACPI_RESOURCE_TYPE_VENDOR");
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break;
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case ACPI_RESOURCE_TYPE_MEMORY24:
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shell_print(sh, "ACPI_RESOURCE_TYPE_MEMORY24");
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break;
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case ACPI_RESOURCE_TYPE_MEMORY32: {
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ACPI_RESOURCE_MEMORY32 *mem_res = &res->Data.Memory32;
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shell_print(sh, "ACPI_RESOURCE_TYPE_MEMORY32");
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shell_print(sh, "\tMinimum: %x", mem_res->Minimum);
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shell_print(sh, "\tMaximum: %x", mem_res->Maximum);
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break;
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}
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case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: {
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ACPI_RESOURCE_FIXED_MEMORY32 *fix_mem_res = &res->Data.FixedMemory32;
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shell_print(sh, "ACPI_RESOURCE_TYPE_FIXED_MEMORY32");
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shell_print(sh, "\tAddress: %x", fix_mem_res->Address);
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break;
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}
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case ACPI_RESOURCE_TYPE_ADDRESS16:
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shell_print(sh, "ACPI_RESOURCE_TYPE_ADDRESS16");
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break;
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case ACPI_RESOURCE_TYPE_ADDRESS32: {
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ACPI_RESOURCE_ADDRESS32 *add_res = &res->Data.Address32;
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shell_print(sh, "ACPI_RESOURCE_TYPE_ADDRESS32");
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shell_print(sh, "\tMinimum: %x", add_res->Address.Minimum);
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shell_print(sh, "\tMaximum: %x", add_res->Address.Maximum);
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break;
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}
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case ACPI_RESOURCE_TYPE_ADDRESS64: {
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ACPI_RESOURCE_ADDRESS64 *add_res64 = &res->Data.Address64;
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shell_print(sh, "ACPI_RESOURCE_TYPE_ADDRESS64");
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shell_print(sh, "\tMinimum: %llx", add_res64->Address.Minimum);
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shell_print(sh, "\tMaximum: %llx", add_res64->Address.Maximum);
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break;
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}
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case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
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shell_print(sh, "ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64");
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break;
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case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: {
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ACPI_RESOURCE_EXTENDED_IRQ *ext_irq_res = &res->Data.ExtendedIrq;
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shell_print(sh, "ACPI_RESOURCE_TYPE_EXTENDED_IRQ");
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shell_print(sh, "\tTriggering: %x", ext_irq_res->Triggering);
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shell_print(sh, "\tPolarity: %x", ext_irq_res->Polarity);
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shell_print(sh, "\tShareable: %s", ext_irq_res->Shareable ? "YES":"NO");
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shell_print(sh, "\tInterruptCount: %d", ext_irq_res->InterruptCount);
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shell_print(sh, "\tInterrupts[0]: %d", ext_irq_res->Interrupts[0]);
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break;
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}
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case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
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shell_print(sh, "ACPI_RESOURCE_TYPE_GENERIC_REGISTER");
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break;
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case ACPI_RESOURCE_TYPE_GPIO:
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shell_print(sh, "ACPI_RESOURCE_TYPE_GPIO");
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break;
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case ACPI_RESOURCE_TYPE_FIXED_DMA:
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shell_print(sh, "ACPI_RESOURCE_TYPE_FIXED_DMA");
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break;
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case ACPI_RESOURCE_TYPE_SERIAL_BUS:
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shell_print(sh, "ACPI_RESOURCE_TYPE_SERIAL_BUS");
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break;
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case ACPI_RESOURCE_TYPE_PIN_FUNCTION:
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shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_FUNCTION");
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break;
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case ACPI_RESOURCE_TYPE_PIN_CONFIG:
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shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_CONFIG");
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break;
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case ACPI_RESOURCE_TYPE_PIN_GROUP:
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shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_GROUP");
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break;
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case ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION:
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shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION");
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break;
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case ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG:
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shell_print(sh, "ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG");
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break;
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default:
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shell_error(sh, "Unknown resource type %d", res->Type);
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}
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res = ACPI_NEXT_RESOURCE(res);
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} while (res->Type != ACPI_RESOURCE_TYPE_END_TAG);
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}
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static int dump_dev_crs(const struct shell *sh, size_t argc, char **argv)
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{
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int status;
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ACPI_RESOURCE *res_lst;
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if (argc < 2) {
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shell_error(sh, "invalid argument");
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return -EINVAL;
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}
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status = acpi_current_resource_get(argv[1], &res_lst);
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if (status) {
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shell_error(sh, "Error on ACPI _CRS method: %d", status);
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return status;
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}
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dump_dev_res(sh, res_lst);
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acpi_current_resource_free(res_lst);
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return 0;
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}
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static int dump_dev_prs(const struct shell *sh, size_t argc, char **argv)
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{
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int status;
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ACPI_RESOURCE *res_lst;
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if (argc < 2) {
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shell_error(sh, "invalid argument");
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return -EINVAL;
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}
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status = acpi_possible_resource_get(argv[1], &res_lst);
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if (status) {
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shell_error(sh, "Error in on ACPI _PRS method: %d", status);
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return status;
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}
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dump_dev_res(sh, res_lst);
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return 0;
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}
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static int dump_prt(const struct shell *sh, size_t argc, char **argv)
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{
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IF_ENABLED(CONFIG_PCIE_PRT, ({
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int irq, bus, dev_num, func;
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pcie_bdf_t bdf;
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if (argc < 4) {
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shell_error(sh, "invalid arguments [Eg: acpi prt <bus> <dev> <func>]");
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return -EINVAL;
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}
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bus = atoi(argv[1]);
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dev_num = atoi(argv[2]);
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func = atoi(argv[3]);
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bdf = PCIE_BDF(bus, dev_num, func);
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irq = acpi_legacy_irq_get(bdf);
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if (irq != UINT_MAX) {
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shell_print(sh, "PCI Legacy IRQ for bus %d dev %d func %d is: %d",
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bus, dev_num, func, irq);
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} else {
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shell_print(sh, "PCI Legacy IRQ for bus %d dev %d func %d Not found",
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bus, dev_num, func);
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}
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})); /* IF_ENABLED(CONFIG_PCIE_PRT) */
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return 0;
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}
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static int enum_dev(const struct shell *sh, size_t argc, char **argv)
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{
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struct acpi_dev *dev;
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ACPI_RESOURCE *res_lst;
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if (argc < 3) {
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shell_error(sh, "Invalid arguments [Eg: acpi enum PNP0103 0]");
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return -EINVAL;
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}
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dev = acpi_device_get(argv[1], argv[2]);
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if (!dev || !dev->res_lst) {
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shell_error(sh, "acpi get device failed for HID: %s", argv[1]);
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return -EIO;
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}
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shell_print(sh, "Name: %s", dev->path ? dev->path : "None");
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if (dev->path) {
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if (!acpi_current_resource_get(dev->path, &res_lst)) {
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dump_dev_res(sh, res_lst);
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acpi_current_resource_free(res_lst);
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}
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}
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return 0;
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}
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static int enum_all_dev(const struct shell *sh, size_t argc, char **argv)
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{
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struct acpi_dev *dev;
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for (int i = 0; i < CONFIG_ACPI_DEV_MAX; i++) {
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dev = acpi_device_by_index_get(i);
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if (!dev) {
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shell_print(sh, "No more ACPI device found!");
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break;
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}
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if (!dev->dev_info) {
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continue;
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}
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shell_print(sh, "%d) Name: %s, HID: %s", i, dev->path ? dev->path : "None",
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dev->dev_info->HardwareId.String ? dev->dev_info->HardwareId.String
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: "None");
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}
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return 0;
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}
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static int get_acpi_dev_resource(const struct shell *sh, size_t argc, char **argv)
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{
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struct acpi_dev *dev;
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struct acpi_irq_resource irq_res;
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struct acpi_mmio_resource mmio_res;
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uint16_t irqs[CONFIG_ACPI_IRQ_VECTOR_MAX];
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struct acpi_reg_base reg_base[CONFIG_ACPI_MMIO_ENTRIES_MAX];
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if (argc < 3) {
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return -EINVAL;
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}
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dev = acpi_device_get(argv[1], argv[2]);
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if (!dev) {
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shell_error(sh, "acpi get device failed for HID: %s", argv[1]);
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return -EIO;
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}
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if (dev->path) {
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shell_print(sh, "Device Path: %s", dev->path);
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mmio_res.mmio_max = ARRAY_SIZE(reg_base);
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mmio_res.reg_base = reg_base;
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if (!acpi_device_mmio_get(dev, &mmio_res)) {
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shell_print(sh, "Device MMIO resources");
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for (int i = 0; i < ACPI_RESOURCE_COUNT_GET(&mmio_res); i++) {
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shell_print(sh, "\tType: %x, Address: %p, Size: %d",
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ACPI_MULTI_RESOURCE_TYPE_GET(&mmio_res, i),
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(void *)ACPI_MULTI_MMIO_GET(&mmio_res, i),
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ACPI_MULTI_RESOURCE_SIZE_GET(&mmio_res, i));
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}
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}
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irq_res.irq_vector_max = ARRAY_SIZE(irqs);
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irq_res.irqs = irqs;
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if (!acpi_device_irq_get(dev, &irq_res)) {
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shell_print(sh, "Device IRQ resources");
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for (int i = 0; i < irq_res.irq_vector_max; i++) {
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shell_print(sh, "\tIRQ Num: %x, Flags: %x", irq_res.irqs[i],
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irq_res.flags);
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}
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}
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}
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return 0;
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}
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static int read_table(const struct shell *sh, size_t argc, char **argv)
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{
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ACPI_TABLE_HEADER *table;
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if (argc < 2) {
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return -EINVAL;
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}
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table = acpi_table_get(argv[1], 0);
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if (!table) {
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shell_error(sh, "ACPI get table %s failed", argv[1]);
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return -EIO;
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}
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shell_print(sh, "ACPI Table %s:", argv[1]);
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shell_print(sh, "\tSignature: %.4s", table->Signature);
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shell_print(sh, "\tTable Length: %d", table->Length);
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shell_print(sh, "\tRevision: %d", table->Revision);
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shell_print(sh, "\tOemId: %s", table->OemId);
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return 0;
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}
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SHELL_STATIC_SUBCMD_SET_CREATE(
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sub_acpi,
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SHELL_CMD(crs, NULL,
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"display device current resource settings (eg:acpi crs _SB.PC00.LPCB.RTC)",
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dump_dev_crs),
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SHELL_CMD(prs, NULL,
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"display device possible resource settings (eg:acpi crs _SB.PC00.LPCB.RTC)",
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dump_dev_prs),
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SHELL_COND_CMD(CONFIG_PCIE_PRT, prt, NULL,
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"display PRT details for a given bus (eg:acpi prt _SB.PC00)",
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dump_prt),
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SHELL_CMD(enum, NULL,
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"enumerate device using hid (for enum HPET timer device,eg:acpi enum PNP0103)",
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enum_dev),
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SHELL_CMD(enum_all, NULL, "enumerate all device in acpi name space (eg:acpi enum_all)",
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enum_all_dev),
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SHELL_CMD(dev_res, NULL, "retrieve device resource (eg: acpi dev_res PNP0501 2)",
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get_acpi_dev_resource),
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SHELL_CMD(rd_table, NULL, "read ACPI table (eg: acpi read_table APIC)",
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read_table),
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SHELL_SUBCMD_SET_END /* Array terminated. */
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);
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SHELL_CMD_REGISTER(acpi, &sub_acpi, "Demo commands", NULL);
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