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lib: acpi: add resource enumeration shell command

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add resource enumeration and acpi method shell commands such as
retrieve mmio and interrupt resources.

Signed-off-by: Najumon B.A <najumon.ba@intel.com>
This commit is contained in:
Najumon B.A 2023-09-23 09:06:12 +05:30 • committed by Carles Cufí
commit 9d6a0ceeab
1 changed files with 108 additions and 25 deletions
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133
lib/acpi/acpi_shell.c
View file

@ -103,9 +103,17 @@ static void dump_dev_res(const struct shell *sh, ACPI_RESOURCE *res_lst)
case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
shell_print(sh, "ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64");
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: {
ACPI_RESOURCE_EXTENDED_IRQ *ext_irq_res = &res->Data.ExtendedIrq;
shell_print(sh, "ACPI_RESOURCE_TYPE_EXTENDED_IRQ");
shell_print(sh, "\tTriggering: %x", ext_irq_res->Triggering);
shell_print(sh, "\tPolarity: %x", ext_irq_res->Polarity);
shell_print(sh, "\tShareable: %s", ext_irq_res->Shareable ? "YES":"NO");
shell_print(sh, "\tInterruptCount: %d", ext_irq_res->InterruptCount);
shell_print(sh, "\tInterrupts[0]: %d", ext_irq_res->Interrupts[0]);
break;
}
case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
shell_print(sh, "ACPI_RESOURCE_TYPE_GENERIC_REGISTER");
break;
@ -148,7 +156,7 @@ static int dump_dev_crs(const struct shell *sh, size_t argc, char **argv)
ACPI_RESOURCE *res_lst;
if (argc < 2) {
shell_error(sh, "invalid arugment");
shell_error(sh, "invalid argument");
return -EINVAL;
}
@ -171,7 +179,7 @@ static int dump_dev_prs(const struct shell *sh, size_t argc, char **argv)
ACPI_RESOURCE *res_lst;
if (argc < 2) {
shell_error(sh, "invalid arugment");
shell_error(sh, "invalid argument");
return -EINVAL;
}
@ -189,28 +197,26 @@ static int dump_dev_prs(const struct shell *sh, size_t argc, char **argv)
static int dump_prt(const struct shell *sh, size_t argc, char **argv)
{
IF_ENABLED(CONFIG_PCIE_PRT, ({
static ACPI_PCI_ROUTING_TABLE irq_prt_table[CONFIG_ACPI_MAX_PRT_ENTRY];
int status, cnt;
ACPI_PCI_ROUTING_TABLE *prt;
int irq, bus, dev_num, func;
pcie_bdf_t bdf;
if (argc < 2) {
shell_error(sh, "invalid arugment");
if (argc < 4) {
shell_error(sh, "invalid arguments [Eg: acpi prt <bus> <dev> <func>]");
return -EINVAL;
}
status = acpi_get_irq_routing_table(argv[1],
irq_prt_table, ARRAY_SIZE(irq_prt_table));
if (status) {
return status;
}
bus = atoi(argv[1]);
dev_num = atoi(argv[2]);
func = atoi(argv[3]);
prt = irq_prt_table;
for (cnt = 0; prt->Length; cnt++) {
shell_print(sh, "[%02X] PCI IRQ Routing Table Package", cnt);
shell_print(sh, "\tDevNum: %lld Pin: %d IRQ: %d",
(prt->Address >> 16) & 0xFFFF, prt->Pin, prt->SourceIndex);
prt = ACPI_ADD_PTR(ACPI_PCI_ROUTING_TABLE, prt, prt->Length);
bdf = PCIE_BDF(bus, dev_num, func);
irq = acpi_legacy_irq_get(bdf);
if (irq != UINT_MAX) {
shell_print(sh, "PCI Legacy IRQ for bus %d dev %d func %d is: %d",
bus, dev_num, func, irq);
} else {
shell_print(sh, "PCI Legacy IRQ for bus %d dev %d func %d Not found",
bus, dev_num, func);
}
})); /* IF_ENABLED(CONFIG_PCIE_PRT) */
@ -220,19 +226,93 @@ static int dump_prt(const struct shell *sh, size_t argc, char **argv)
static int enum_dev(const struct shell *sh, size_t argc, char **argv)
{
struct acpi_dev *dev;
ACPI_RESOURCE *res_lst;
if (argc < 2) {
if (argc < 3) {
shell_error(sh, "Invalid arguments [Eg: acpi enum PNP0103 0]");
return -EINVAL;
}
dev = acpi_device_get(argv[1], 0);
dev = acpi_device_get(argv[1], argv[2]);
if (!dev || !dev->res_lst) {
shell_error(sh, "acpi get device failed for HID: %s", argv[1]);
return -EIO;
}
shell_print(sh, "Name: %s", dev->path ? dev->path : "None");
dump_dev_res(sh, dev->res_lst);
if (dev->path) {
if (!acpi_current_resource_get(dev->path, &res_lst)) {
dump_dev_res(sh, res_lst);
acpi_current_resource_free(res_lst);
}
}
return 0;
}
static int enum_all_dev(const struct shell *sh, size_t argc, char **argv)
{
struct acpi_dev *dev;
for (int i = 0; i < CONFIG_ACPI_DEV_MAX; i++) {
dev = acpi_device_by_index_get(i);
if (!dev) {
shell_print(sh, "No more ACPI device found!");
break;
}
if (!dev->dev_info) {
continue;
}
shell_print(sh, "%d) Name: %s, HID: %s", i, dev->path ? dev->path : "None",
dev->dev_info->HardwareId.String ? dev->dev_info->HardwareId.String
: "None");
}
return 0;
}
static int get_acpi_dev_resource(const struct shell *sh, size_t argc, char **argv)
{
struct acpi_dev *dev;
struct acpi_irq_resource irq_res;
struct acpi_mmio_resource mmio_res;
if (argc < 3) {
return -EINVAL;
}
dev = acpi_device_get(argv[1], argv[2]);
if (!dev) {
shell_error(sh, "acpi get device failed for HID: %s", argv[1]);
return -EIO;
}
if (dev->path) {
shell_print(sh, "Device Path: %s", dev->path);
if (!acpi_device_mmio_get(dev, &mmio_res)) {
shell_print(sh, "Device MMIO resources");
for (int i = 0; i < ACPI_RESOURCE_COUNT_GET(&mmio_res); i++) {
shell_print(sh, "\tType: %x, Address: %p, Size: %d",
ACPI_MULTI_RESOURCE_TYPE_GET(&mmio_res, i),
(void *)ACPI_MULTI_MMIO_GET(&mmio_res, i),
ACPI_MULTI_RESOURCE_SIZE_GET(&mmio_res, i));
}
}
if (!acpi_device_irq_get(dev, &irq_res)) {
shell_print(sh, "Device IRQ resources");
for (int i = 0; i < irq_res.irq_vector_max; i++) {
shell_print(sh, "\tIRQ Num: %x, Flags: %x", irq_res.irqs[i],
irq_res.flags);
}
}
}
return 0;
}
@ -274,8 +354,11 @@ SHELL_STATIC_SUBCMD_SET_CREATE(
SHELL_CMD(enum, NULL,
"enumerate device using hid (for enum HPET timer device,eg:acpi enum PNP0103)",
enum_dev),
SHELL_CMD(rd_table, NULL,
"read acpi table (for read mad table, eg:acpi read_table APIC)",
SHELL_CMD(enum_all, NULL, "enumerate all device in acpi name space (eg:acpi enum_all)",
enum_all_dev),
SHELL_CMD(dev_res, NULL, "retrieve device resource (eg: acpi dev_res PNP0501 2)",
get_acpi_dev_resource),
SHELL_CMD(rd_table, NULL, "read ACPI table (eg: acpi read_table APIC)",
read_table),
SHELL_SUBCMD_SET_END /* Array terminated. */
);