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tests: Refactor ACPI info sample

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Take into account multiple DMAR HARDWARE_UNIT tables.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
This commit is contained in:
Andrei Emeltchenko 2023-12-07 13:51:44 +02:00 committed by Carles Cufí
parent 4c3eda827a
commit 8924feb960
1 changed files with 31 additions and 34 deletions
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65
tests/arch/x86/info/src/acpi.c
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@ -6,10 +6,6 @@
#include <zephyr/kernel.h>
#include <zephyr/acpi/acpi.h>
static const uint32_t dmar_scope[] = {ACPI_DMAR_SCOPE_TYPE_ENDPOINT, ACPI_DMAR_SCOPE_TYPE_BRIDGE,
ACPI_DMAR_SCOPE_TYPE_IOAPIC, ACPI_DMAR_SCOPE_TYPE_HPET,
ACPI_DMAR_SCOPE_TYPE_NAMESPACE};
static const char *get_dmar_scope_type(int type)
{
switch (type) {
@ -28,25 +24,34 @@ static const char *get_dmar_scope_type(int type)
}
}
static void vtd_dev_scope_info(struct acpi_dmar_device_scope *dev_scope,
union acpi_dmar_id *dmar_id, int num_inst)
static void dmar_devsope_handler(ACPI_DMAR_DEVICE_SCOPE *devscope, void *arg)
{
int i = 0;
ARG_UNUSED(arg);
printk("\t\t\t. Enumeration ID %u\n", dev_scope->EnumerationId);
printk("\t\t\t. Scope type %s\n", get_dmar_scope_type(devscope->EntryType));
printk("\t\t\t. Enumeration ID %u\n", devscope->EnumerationId);
for (; num_inst > 0; num_inst--, i++) {
printk("\t\t\t. BDF 0x%x:0x%x:0x%x\n",
dmar_id[i].bits.bus, dmar_id[i].bits.device,
dmar_id[i].bits.function);
if (devscope->EntryType < ACPI_DMAR_SCOPE_TYPE_RESERVED) {
ACPI_DMAR_PCI_PATH *devpath;
int num_path = (devscope->Length - 6u) / 2u;
int i = 0;
devpath = ACPI_ADD_PTR(ACPI_DMAR_PCI_PATH, devscope,
sizeof(ACPI_DMAR_DEVICE_SCOPE));
while (num_path--) {
printk("\t\t\t. PCI Path %02x:%02x.%02x\n", devscope->Bus,
devpath[i].Device, devpath[i].Function);
}
}
}
static void vtd_drhd_info(struct acpi_dmar_hardware_unit *drhd)
static void vtd_drhd_info(ACPI_DMAR_HEADER *subtable)
{
struct acpi_dmar_device_scope dev_scope;
union acpi_dmar_id dmar_id[4];
int num_inst, i;
struct acpi_dmar_hardware_unit *drhd = (void *)subtable;
static int unit;
printk("\t\t[ Hardware Unit Definition %d ]\n", unit++);
if (drhd->Flags & ACPI_DRHD_FLAG_INCLUDE_PCI_ALL) {
printk("\t\t- Includes all PCI devices");
@ -60,25 +65,24 @@ static void vtd_drhd_info(struct acpi_dmar_hardware_unit *drhd)
printk("\t\t- Base Address 0x%llx\n", drhd->Address);
printk("\t\t- Device Scopes:\n");
for (i = 0; i < ARRAY_SIZE(dmar_scope); i++) {
if (acpi_drhd_get(dmar_scope[i], &dev_scope, dmar_id, &num_inst, 4u)) {
printk("\t\tNo DRHD type: %s\n",
get_dmar_scope_type(dmar_scope[i]));
continue;
}
printk("\t\tDRHD type %s\n", get_dmar_scope_type(dmar_scope[i]));
acpi_dmar_foreach_devscope(drhd, dmar_devsope_handler, NULL);
}
vtd_dev_scope_info(&dev_scope, dmar_id, num_inst);
static void dmar_subtable_handler(ACPI_DMAR_HEADER *subtable, void *arg)
{
ARG_UNUSED(arg);
if (subtable->Type != ACPI_DMAR_TYPE_HARDWARE_UNIT) {
return;
}
printk("\n");
vtd_drhd_info(subtable);
}
static void vtd_info(void)
{
struct acpi_table_dmar *dmar;
struct acpi_dmar_hardware_unit *drhd;
dmar = acpi_table_get("DMAR", 0);
if (dmar == NULL) {
@ -96,15 +100,8 @@ static void vtd_info(void)
}
if (dmar->Flags & ACPI_DMAR_FLAG_INTR_REMAP) {
printk("\t-> Interrupt remapping supported\n");
if (acpi_dmar_entry_get(ACPI_DMAR_TYPE_HARDWARE_UNIT,
(struct acpi_subtable_header **)&drhd)) {
printk("\tError in retrieving DHRD!!\n");
return;
}
vtd_drhd_info(drhd);
acpi_dmar_foreach_subtable(dmar, dmar_subtable_handler, NULL);
} else {
printk("\t-> Interrupt remapping not supported\n");
}