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u-boot/test/dm/acpi.c
Simon Glass 1e4d965b59 acpi: Put the version numbers in a central place 
At present two acpi files are built every time since they use a version
number from version.h

This is not necessary. Make use of the same technique as for the version
string, so that they are build only when they change.

Signed-off-by: Simon Glass <sjg@chromium.org>
2023-05-31 17:23:01 -04:00

611 lines
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// SPDX-License-Identifier: GPL-2.0+
/*
* Tests for ACPI table generation
*
* Copyright 2019 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <console.h>
#include <dm.h>
#include <malloc.h>
#include <mapmem.h>
#include <tables_csum.h>
#include <version_string.h>
#include <acpi/acpigen.h>
#include <acpi/acpi_device.h>
#include <acpi/acpi_table.h>
#include <asm/global_data.h>
#include <dm/acpi.h>
#include <dm/test.h>
#include <test/ut.h>
#include "acpi.h"
#define BUF_SIZE 4096
#define OEM_REVISION ((((version_num / 1000) % 10) << 28) | \
(((version_num / 100) % 10) << 24) | \
(((version_num / 10) % 10) << 20) | \
((version_num % 10) << 16) | \
(((version_num_patch / 10) % 10) << 12) | \
((version_num_patch % 10) << 8) | \
0x01)
/**
* struct testacpi_plat - Platform data for the test ACPI device
*
* @no_name: true to emit an empty ACPI name from testacpi_get_name()
* @return_error: true to return an error instead of a name
*/
struct testacpi_plat {
bool return_error;
bool no_name;
};
/**
* setup_ctx_and_base_tables() - Set up context along with RSDP, RSDT and XSDT
*
* Set up the context with the given start position. Some basic tables are
* always needed, so set them up as well.
*
* @ctx: Context to set up
*/
static int setup_ctx_and_base_tables(struct unit_test_state *uts,
struct acpi_ctx *ctx, ulong start)
{
struct acpi_writer *entry = ACPI_WRITER_GET(0base);
acpi_setup_ctx(ctx, start);
ctx->tab_start = ctx->current;
ut_assertok(acpi_write_one(ctx, entry));
return 0;
}
static int testacpi_write_tables(const struct udevice *dev,
struct acpi_ctx *ctx)
{
struct acpi_dmar *dmar;
int ret;
dmar = (struct acpi_dmar *)ctx->current;
acpi_create_dmar(dmar, DMAR_INTR_REMAP);
ctx->current += sizeof(struct acpi_dmar);
ret = acpi_add_table(ctx, dmar);
if (ret)
return log_msg_ret("add", ret);
return 0;
}
static int testacpi_get_name(const struct udevice *dev, char *out_name)
{
struct testacpi_plat *plat = dev_get_plat(dev);
if (plat->return_error)
return -EINVAL;
if (plat->no_name) {
*out_name = '\0';
return 0;
}
if (device_get_uclass_id(dev->parent) == UCLASS_TEST_ACPI)
return acpi_copy_name(out_name, ACPI_TEST_CHILD_NAME);
else
return acpi_copy_name(out_name, ACPI_TEST_DEV_NAME);
}
static int testacpi_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx)
{
const char *data;
data = dev_read_string(dev, "acpi-ssdt-test-data");
if (data) {
while (*data)
acpigen_emit_byte(ctx, *data++);
}
return 0;
}
static int testacpi_inject_dsdt(const struct udevice *dev, struct acpi_ctx *ctx)
{
const char *data;
data = dev_read_string(dev, "acpi-dsdt-test-data");
if (data) {
while (*data)
acpigen_emit_byte(ctx, *data++);
}
return 0;
}
struct acpi_ops testacpi_ops = {
.get_name = testacpi_get_name,
.write_tables = testacpi_write_tables,
.fill_ssdt = testacpi_fill_ssdt,
.inject_dsdt = testacpi_inject_dsdt,
};
static const struct udevice_id testacpi_ids[] = {
{ .compatible = "denx,u-boot-acpi-test" },
{ }
};
U_BOOT_DRIVER(testacpi_drv) = {
.name = "testacpi_drv",
.of_match = testacpi_ids,
.id = UCLASS_TEST_ACPI,
.bind = dm_scan_fdt_dev,
.plat_auto = sizeof(struct testacpi_plat),
ACPI_OPS_PTR(&testacpi_ops)
};
UCLASS_DRIVER(testacpi) = {
.name = "testacpi",
.id = UCLASS_TEST_ACPI,
};
/* Test ACPI get_name() */
static int dm_test_acpi_get_name(struct unit_test_state *uts)
{
char name[ACPI_NAME_MAX];
struct udevice *dev, *dev2, *i2c, *spi, *timer, *sound;
struct udevice *pci, *root;
/* Test getting the name from the driver */
ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
ut_assertok(acpi_get_name(dev, name));
ut_asserteq_str(ACPI_TEST_DEV_NAME, name);
/* Test getting the name from the device tree */
ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
&dev2));
ut_assertok(acpi_get_name(dev2, name));
ut_asserteq_str("GHIJ", name);
/* Test getting the name from acpi_device_get_name() */
ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
ut_assertok(acpi_get_name(i2c, name));
ut_asserteq_str("I2C0", name);
ut_assertok(uclass_first_device_err(UCLASS_SPI, &spi));
ut_assertok(acpi_get_name(spi, name));
ut_asserteq_str("SPI0", name);
/* ACPI doesn't know about the timer */
ut_assertok(uclass_first_device_err(UCLASS_TIMER, &timer));
ut_asserteq(-ENOENT, acpi_get_name(timer, name));
/* May as well test the rest of the cases */
ut_assertok(uclass_first_device_err(UCLASS_SOUND, &sound));
ut_assertok(acpi_get_name(sound, name));
ut_asserteq_str("HDAS", name);
ut_assertok(uclass_first_device_err(UCLASS_PCI, &pci));
ut_assertok(acpi_get_name(pci, name));
ut_asserteq_str("PCI0", name);
ut_assertok(uclass_first_device_err(UCLASS_ROOT, &root));
ut_assertok(acpi_get_name(root, name));
ut_asserteq_str("\\_SB", name);
/* Note that we don't have tests for acpi_name_from_id() */
return 0;
}
DM_TEST(dm_test_acpi_get_name, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test acpi_get_table_revision() */
static int dm_test_acpi_get_table_revision(struct unit_test_state *uts)
{
ut_asserteq(1, acpi_get_table_revision(ACPITAB_MCFG));
ut_asserteq(2, acpi_get_table_revision(ACPITAB_RSDP));
ut_asserteq(4, acpi_get_table_revision(ACPITAB_TPM2));
ut_asserteq(-EINVAL, acpi_get_table_revision(ACPITAB_COUNT));
return 0;
}
DM_TEST(dm_test_acpi_get_table_revision,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test acpi_create_dmar() */
static int dm_test_acpi_create_dmar(struct unit_test_state *uts)
{
struct acpi_dmar dmar;
struct udevice *cpu;
ut_assertok(uclass_first_device_err(UCLASS_CPU, &cpu));
ut_assertnonnull(cpu);
ut_assertok(acpi_create_dmar(&dmar, DMAR_INTR_REMAP));
ut_asserteq(DMAR_INTR_REMAP, dmar.flags);
ut_asserteq(32 - 1, dmar.host_address_width);
return 0;
}
DM_TEST(dm_test_acpi_create_dmar, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test acpi_fill_header() */
static int dm_test_acpi_fill_header(struct unit_test_state *uts)
{
struct acpi_table_header hdr;
/* Make sure these 5 fields are not changed */
hdr.length = 0x11;
hdr.revision = 0x22;
hdr.checksum = 0x33;
hdr.aslc_revision = 0x44;
acpi_fill_header(&hdr, "ABCD");
ut_asserteq_mem("ABCD", hdr.signature, sizeof(hdr.signature));
ut_asserteq(0x11, hdr.length);
ut_asserteq(0x22, hdr.revision);
ut_asserteq(0x33, hdr.checksum);
ut_asserteq_mem(OEM_ID, hdr.oem_id, sizeof(hdr.oem_id));
ut_asserteq_mem(OEM_TABLE_ID, hdr.oem_table_id,
sizeof(hdr.oem_table_id));
ut_asserteq(OEM_REVISION, hdr.oem_revision);
ut_asserteq_mem(ASLC_ID, hdr.aslc_id, sizeof(hdr.aslc_id));
ut_asserteq(0x44, hdr.aslc_revision);
return 0;
}
DM_TEST(dm_test_acpi_fill_header, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test ACPI write_tables() */
static int dm_test_acpi_write_tables(struct unit_test_state *uts)
{
struct acpi_dmar *dmar;
struct acpi_ctx ctx;
ulong addr;
void *buf;
int i;
buf = malloc(BUF_SIZE);
ut_assertnonnull(buf);
addr = map_to_sysmem(buf);
ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr));
dmar = ctx.current;
ut_assertok(acpi_write_dev_tables(&ctx));
/*
* We should have three dmar tables, one for each
* "denx,u-boot-acpi-test" device
*/
ut_asserteq_ptr(dmar + 3, ctx.current);
ut_asserteq(DMAR_INTR_REMAP, dmar->flags);
ut_asserteq(32 - 1, dmar->host_address_width);
ut_asserteq(DMAR_INTR_REMAP, dmar[1].flags);
ut_asserteq(32 - 1, dmar[1].host_address_width);
ut_asserteq(DMAR_INTR_REMAP, dmar[2].flags);
ut_asserteq(32 - 1, dmar[2].host_address_width);
/* Check that the pointers were added correctly */
for (i = 0; i < 3; i++) {
ut_asserteq(map_to_sysmem(dmar + i), ctx.rsdt->entry[i]);
ut_asserteq(map_to_sysmem(dmar + i), ctx.xsdt->entry[i]);
}
ut_asserteq(0, ctx.rsdt->entry[3]);
ut_asserteq(0, ctx.xsdt->entry[3]);
return 0;
}
DM_TEST(dm_test_acpi_write_tables, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test basic ACPI functions */
static int dm_test_acpi_basic(struct unit_test_state *uts)
{
struct acpi_ctx ctx;
/* Check align works */
ctx.current = (void *)5;
acpi_align(&ctx);
ut_asserteq_ptr((void *)16, ctx.current);
/* Check that align does nothing if already aligned */
acpi_align(&ctx);
ut_asserteq_ptr((void *)16, ctx.current);
acpi_align64(&ctx);
ut_asserteq_ptr((void *)64, ctx.current);
acpi_align64(&ctx);
ut_asserteq_ptr((void *)64, ctx.current);
/* Check incrementing */
acpi_inc(&ctx, 3);
ut_asserteq_ptr((void *)67, ctx.current);
acpi_inc_align(&ctx, 3);
ut_asserteq_ptr((void *)80, ctx.current);
return 0;
}
DM_TEST(dm_test_acpi_basic, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test setup_ctx_and_base_tables */
static int dm_test_setup_ctx_and_base_tables(struct unit_test_state *uts)
{
struct acpi_rsdp *rsdp;
struct acpi_rsdt *rsdt;
struct acpi_xsdt *xsdt;
struct acpi_ctx ctx;
void *buf, *end;
ulong addr;
/*
* Use an unaligned address deliberately, by allocating an aligned
* address and then adding 4 to it
*/
buf = memalign(64, BUF_SIZE);
ut_assertnonnull(buf);
addr = map_to_sysmem(buf);
ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr + 4));
ut_asserteq(map_to_sysmem(PTR_ALIGN(buf + 4, 16)), gd_acpi_start());
rsdp = buf + 16;
ut_asserteq_ptr(rsdp, ctx.rsdp);
ut_asserteq_mem(RSDP_SIG, rsdp->signature, sizeof(rsdp->signature));
ut_asserteq(sizeof(*rsdp), rsdp->length);
ut_assertok(table_compute_checksum(rsdp, 20));
ut_assertok(table_compute_checksum(rsdp, sizeof(*rsdp)));
rsdt = PTR_ALIGN((void *)rsdp + sizeof(*rsdp), 16);
ut_asserteq_ptr(rsdt, ctx.rsdt);
ut_asserteq_mem("RSDT", rsdt->header.signature, ACPI_NAME_LEN);
ut_asserteq(sizeof(*rsdt), rsdt->header.length);
ut_assertok(table_compute_checksum(rsdt, sizeof(*rsdt)));
xsdt = PTR_ALIGN((void *)rsdt + sizeof(*rsdt), 16);
ut_asserteq_ptr(xsdt, ctx.xsdt);
ut_asserteq_mem("XSDT", xsdt->header.signature, ACPI_NAME_LEN);
ut_asserteq(sizeof(*xsdt), xsdt->header.length);
ut_assertok(table_compute_checksum(xsdt, sizeof(*xsdt)));
end = PTR_ALIGN((void *)xsdt + sizeof(*xsdt), 64);
ut_asserteq_ptr(end, ctx.current);
ut_asserteq(map_to_sysmem(rsdt), rsdp->rsdt_address);
ut_asserteq(map_to_sysmem(xsdt), rsdp->xsdt_address);
return 0;
}
DM_TEST(dm_test_setup_ctx_and_base_tables,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test 'acpi list' command */
static int dm_test_acpi_cmd_list(struct unit_test_state *uts)
{
struct acpi_ctx ctx;
ulong addr;
void *buf;
buf = memalign(16, BUF_SIZE);
ut_assertnonnull(buf);
addr = map_to_sysmem(buf);
ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr));
ut_assertok(acpi_write_dev_tables(&ctx));
console_record_reset();
run_command("acpi list", 0);
ut_assert_nextline("Name Base Size Detail");
ut_assert_nextline("---- -------- ----- ------");
ut_assert_nextline("RSDP %08lx %5zx v02 U-BOOT", addr,
sizeof(struct acpi_rsdp));
addr = ALIGN(addr + sizeof(struct acpi_rsdp), 16);
ut_assert_nextline("RSDT %08lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0",
addr, sizeof(struct acpi_table_header) +
3 * sizeof(u32), OEM_REVISION);
addr = ALIGN(addr + sizeof(struct acpi_rsdt), 16);
ut_assert_nextline("XSDT %08lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0",
addr, sizeof(struct acpi_table_header) +
3 * sizeof(u64), OEM_REVISION);
addr = ALIGN(addr + sizeof(struct acpi_xsdt), 64);
ut_assert_nextline("DMAR %08lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0",
addr, sizeof(struct acpi_dmar), OEM_REVISION);
addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
ut_assert_nextline("DMAR %08lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0",
addr, sizeof(struct acpi_dmar), OEM_REVISION);
addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
ut_assert_nextline("DMAR %08lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0",
addr, sizeof(struct acpi_dmar), OEM_REVISION);
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_acpi_cmd_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test 'acpi dump' command */
static int dm_test_acpi_cmd_dump(struct unit_test_state *uts)
{
struct acpi_ctx ctx;
ulong addr;
void *buf;
buf = memalign(16, BUF_SIZE);
ut_assertnonnull(buf);
addr = map_to_sysmem(buf);
ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr));
ut_assertok(acpi_write_dev_tables(&ctx));
/* First search for a non-existent table */
console_record_reset();
run_command("acpi dump rdst", 0);
ut_assert_nextline("Table 'RDST' not found");
ut_assert_console_end();
/* Now a real table */
console_record_reset();
run_command("acpi dump dmar", 0);
addr = ALIGN(map_to_sysmem(ctx.xsdt) + sizeof(struct acpi_xsdt), 64);
ut_assert_nextline("DMAR @ %08lx", addr);
ut_assert_nextlines_are_dump(0x30);
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_acpi_cmd_dump, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test acpi_device_path() */
static int dm_test_acpi_device_path(struct unit_test_state *uts)
{
struct testacpi_plat *plat;
char buf[ACPI_PATH_MAX];
struct udevice *dev, *child;
ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
ut_assertok(acpi_device_path(dev, buf, sizeof(buf)));
ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME, buf);
/* Test running out of space */
buf[5] = '\0';
ut_asserteq(-ENOSPC, acpi_device_path(dev, buf, 5));
ut_asserteq('\0', buf[5]);
/* Test a three-component name */
ut_assertok(device_first_child_err(dev, &child));
ut_assertok(acpi_device_path(child, buf, sizeof(buf)));
ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME "." ACPI_TEST_CHILD_NAME,
buf);
/* Test handling of a device which doesn't produce a name */
plat = dev_get_plat(dev);
plat->no_name = true;
ut_assertok(acpi_device_path(child, buf, sizeof(buf)));
ut_asserteq_str("\\_SB." ACPI_TEST_CHILD_NAME, buf);
/* Test handling of a device which returns an error */
plat = dev_get_plat(dev);
plat->return_error = true;
ut_asserteq(-EINVAL, acpi_device_path(child, buf, sizeof(buf)));
return 0;
}
DM_TEST(dm_test_acpi_device_path, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test acpi_device_status() */
static int dm_test_acpi_device_status(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
ut_asserteq(ACPI_DSTATUS_ALL_ON, acpi_device_status(dev));
return 0;
}
DM_TEST(dm_test_acpi_device_status, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test acpi_fill_ssdt() */
static int dm_test_acpi_fill_ssdt(struct unit_test_state *uts)
{
struct acpi_ctx ctx;
u8 *buf;
buf = malloc(BUF_SIZE);
ut_assertnonnull(buf);
acpi_reset_items();
ctx.current = buf;
buf[4] = 'z'; /* sentinel */
ut_assertok(acpi_fill_ssdt(&ctx));
/*
* These values come from acpi-test2's acpi-ssdt-test-data property.
* This device comes first because of u-boot,acpi-ssdt-order
*/
ut_asserteq('c', buf[0]);
ut_asserteq('d', buf[1]);
/* These values come from acpi-test's acpi-ssdt-test-data property */
ut_asserteq('a', buf[2]);
ut_asserteq('b', buf[3]);
ut_asserteq('z', buf[4]);
return 0;
}
DM_TEST(dm_test_acpi_fill_ssdt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test acpi_inject_dsdt() */
static int dm_test_acpi_inject_dsdt(struct unit_test_state *uts)
{
struct acpi_ctx ctx;
u8 *buf;
buf = malloc(BUF_SIZE);
ut_assertnonnull(buf);
acpi_reset_items();
ctx.current = buf;
buf[4] = 'z'; /* sentinel */
ut_assertok(acpi_inject_dsdt(&ctx));
/*
* These values come from acpi-test's acpi-dsdt-test-data property.
* There is no u-boot,acpi-dsdt-order so device-tree order is used.
*/
ut_asserteq('h', buf[0]);
ut_asserteq('i', buf[1]);
/* These values come from acpi-test's acpi-dsdt-test-data property */
ut_asserteq('j', buf[2]);
ut_asserteq('k', buf[3]);
ut_asserteq('z', buf[4]);
return 0;
}
DM_TEST(dm_test_acpi_inject_dsdt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test 'acpi items' command */
static int dm_test_acpi_cmd_items(struct unit_test_state *uts)
{
struct acpi_ctx ctx;
ulong addr;
void *buf;
buf = malloc(BUF_SIZE);
ut_assertnonnull(buf);
addr = map_to_sysmem(buf);
acpi_reset_items();
ctx.current = buf;
ut_assertok(acpi_fill_ssdt(&ctx));
console_record_reset();
run_command("acpi items", 0);
ut_assert_nextline("Seq Type Base Size Device/Writer");
ut_assert_nextline("--- ----- -------- ---- -------------");
ut_assert_nextline(" 0 ssdt %8lx 2 acpi-test", addr);
ut_assert_nextline(" 1 ssdt %8lx 2 acpi-test2", addr + 2);
ut_assert_console_end();
acpi_reset_items();
ctx.current = buf;
ut_assertok(acpi_inject_dsdt(&ctx));
console_record_reset();
run_command("acpi items", 0);
ut_assert_nextlinen("Seq");
ut_assert_nextlinen("---");
ut_assert_nextline(" 0 dsdt %8lx 2 acpi-test", addr);
ut_assert_nextline(" 1 dsdt %8lx 2 acpi-test2", addr + 2);
ut_assert_console_end();
console_record_reset();
run_command("acpi items -d", 0);
ut_assert_nextlinen("Seq");
ut_assert_nextlinen("---");
ut_assert_nextline(" 0 dsdt %8lx 2 acpi-test", addr);
ut_assert_nextlines_are_dump(2);
ut_assert_nextline("%s", "");
ut_assert_nextline(" 1 dsdt %8lx 2 acpi-test2", addr + 2);
ut_assert_nextlines_are_dump(2);
ut_assert_nextline("%s", "");
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_acpi_cmd_items, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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