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/*
* QTest testcase for acpi-erst
*
* Copyright (c) 2021 Oracle
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include <glib/gstdio.h>
#include "libqos/libqos-pc.h"
#include "libqtest.h"
#include "hw/pci/pci.h"
static void save_fn(QPCIDevice *dev, int devfn, void *data)
{
QPCIDevice **pdev = (QPCIDevice **) data;
*pdev = dev;
}
static QPCIDevice *get_erst_device(QPCIBus *pcibus)
{
QPCIDevice *dev;
dev = NULL;
qpci_device_foreach(pcibus,
PCI_VENDOR_ID_REDHAT,
PCI_DEVICE_ID_REDHAT_ACPI_ERST,
save_fn, &dev);
g_assert(dev != NULL);
return dev;
}
typedef struct _ERSTState {
QOSState *qs;
QPCIBar reg_bar, mem_bar;
uint64_t reg_barsize, mem_barsize;
QPCIDevice *dev;
} ERSTState;
#define ACTION 0
#define VALUE 8
static const char *reg2str(unsigned reg)
{
switch (reg) {
case 0:
return "ACTION";
case 8:
return "VALUE";
default:
return NULL;
}
}
static inline uint32_t in_reg32(ERSTState *s, unsigned reg)
{
const char *name = reg2str(reg);
uint32_t res;
res = qpci_io_readl(s->dev, s->reg_bar, reg);
g_test_message("*%s -> %08x", name, res);
return res;
}
static inline uint64_t in_reg64(ERSTState *s, unsigned reg)
{
const char *name = reg2str(reg);
uint64_t res;
res = qpci_io_readq(s->dev, s->reg_bar, reg);
g_test_message("*%s -> %016" PRIx64, name, res);
return res;
}
static inline void out_reg32(ERSTState *s, unsigned reg, uint32_t v)
{
const char *name = reg2str(reg);
g_test_message("%08x -> *%s", v, name);
qpci_io_writel(s->dev, s->reg_bar, reg, v);
}
static void cleanup_vm(ERSTState *s)
{
g_free(s->dev);
qtest_shutdown(s->qs);
}
static void setup_vm_cmd(ERSTState *s, const char *cmd)
{
const char *arch = qtest_get_arch();
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
s->qs = qtest_pc_boot("%s", cmd);
} else {
g_printerr("erst-test tests are only available on x86\n");
exit(EXIT_FAILURE);
}
s->dev = get_erst_device(s->qs->pcibus);
s->reg_bar = qpci_iomap(s->dev, 0, &s->reg_barsize);
g_assert_cmpuint(s->reg_barsize, ==, 16);
s->mem_bar = qpci_iomap(s->dev, 1, &s->mem_barsize);
g_assert_cmpuint(s->mem_barsize, ==, 0x2000);
qpci_device_enable(s->dev);
}
static void test_acpi_erst_basic(void)
{
ERSTState state;
uint64_t log_address_range;
uint64_t log_address_length;
uint32_t log_address_attr;
setup_vm_cmd(&state,
"-object memory-backend-file,"
"mem-path=acpi-erst.XXXXXX,"
"size=64K,"
"share=on,"
"id=nvram "
"-device acpi-erst,"
"memdev=nvram");
out_reg32(&state, ACTION, 0xD);
log_address_range = in_reg64(&state, VALUE);
out_reg32(&state, ACTION, 0xE);
log_address_length = in_reg64(&state, VALUE);
out_reg32(&state, ACTION, 0xF);
log_address_attr = in_reg32(&state, VALUE);
/* Check log_address_range is not 0, ~0 or base */
g_assert_cmpuint(log_address_range, !=, 0ULL);
g_assert_cmpuint(log_address_range, !=, ~0ULL);
g_assert_cmpuint(log_address_range, !=, state.reg_bar.addr);
g_assert_cmpuint(log_address_range, ==, state.mem_bar.addr);
/* Check log_address_length is bar1_size */
g_assert_cmpuint(log_address_length, ==, state.mem_barsize);
/* Check log_address_attr is 0 */
g_assert_cmpuint(log_address_attr, ==, 0);
cleanup_vm(&state);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
qtest_add_func("/acpi-erst/basic", test_acpi_erst_basic);
return g_test_run();
}
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