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/*
* AHCI test cases
*
* Copyright (c) 2014 John Snow <jsnow@redhat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <glib.h>
#include "libqtest.h"
#include "libqos/pci-pc.h"
#include "libqos/malloc-pc.h"
#include "qemu-common.h"
#include "qemu/host-utils.h"
#include "hw/pci/pci_ids.h"
#include "hw/pci/pci_regs.h"
/* Test-specific defines. */
#define TEST_IMAGE_SIZE (64 * 1024 * 1024)
/*** Supplementary PCI Config Space IDs & Masks ***/
#define PCI_DEVICE_ID_INTEL_Q35_AHCI (0x2922)
/*** Globals ***/
static QGuestAllocator *guest_malloc;
static QPCIBus *pcibus;
static char tmp_path[] = "/tmp/qtest.XXXXXX";
/*** Function Declarations ***/
static QPCIDevice *get_ahci_device(void);
static void free_ahci_device(QPCIDevice *dev);
/*** Utilities ***/
/**
* Locate, verify, and return a handle to the AHCI device.
*/
static QPCIDevice *get_ahci_device(void)
{
QPCIDevice *ahci;
uint16_t vendor_id, device_id;
pcibus = qpci_init_pc();
/* Find the AHCI PCI device and verify it's the right one. */
ahci = qpci_device_find(pcibus, QPCI_DEVFN(0x1F, 0x02));
g_assert(ahci != NULL);
vendor_id = qpci_config_readw(ahci, PCI_VENDOR_ID);
device_id = qpci_config_readw(ahci, PCI_DEVICE_ID);
g_assert_cmphex(vendor_id, ==, PCI_VENDOR_ID_INTEL);
g_assert_cmphex(device_id, ==, PCI_DEVICE_ID_INTEL_Q35_AHCI);
return ahci;
}
static void free_ahci_device(QPCIDevice *ahci)
{
/* libqos doesn't have a function for this, so free it manually */
g_free(ahci);
if (pcibus) {
qpci_free_pc(pcibus);
pcibus = NULL;
}
}
/*** Test Setup & Teardown ***/
/**
* Launch QEMU with the given command line,
* and then set up interrupts and our guest malloc interface.
*/
static void qtest_boot(const char *cmdline_fmt, ...)
{
va_list ap;
char *cmdline;
va_start(ap, cmdline_fmt);
cmdline = g_strdup_vprintf(cmdline_fmt, ap);
va_end(ap);
qtest_start(cmdline);
qtest_irq_intercept_in(global_qtest, "ioapic");
guest_malloc = pc_alloc_init();
g_free(cmdline);
}
/**
* Tear down the QEMU instance.
*/
static void qtest_shutdown(void)
{
g_free(guest_malloc);
guest_malloc = NULL;
qtest_end();
}
/**
* Start a Q35 machine and bookmark a handle to the AHCI device.
*/
static QPCIDevice *ahci_boot(void)
{
qtest_boot("-drive if=none,id=drive0,file=%s,cache=writeback,serial=%s"
" -M q35 "
"-device ide-hd,drive=drive0 "
"-global ide-hd.ver=%s",
tmp_path, "testdisk", "version");
/* Verify that we have an AHCI device present. */
return get_ahci_device();
}
/**
* Clean up the PCI device, then terminate the QEMU instance.
*/
static void ahci_shutdown(QPCIDevice *ahci)
{
free_ahci_device(ahci);
qtest_shutdown();
}
/******************************************************************************/
/* Test Interfaces */
/******************************************************************************/
/**
* Basic sanity test to boot a machine, find an AHCI device, and shutdown.
*/
static void test_sanity(void)
{
QPCIDevice *ahci;
ahci = ahci_boot();
ahci_shutdown(ahci);
}
/******************************************************************************/
int main(int argc, char **argv)
{
const char *arch;
int fd;
int ret;
/* Should be first to utilize g_test functionality, So we can see errors. */
g_test_init(&argc, &argv, NULL);
/* Check architecture */
arch = qtest_get_arch();
if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
g_test_message("Skipping test for non-x86");
return 0;
}
/* Create a temporary raw image */
fd = mkstemp(tmp_path);
g_assert(fd >= 0);
ret = ftruncate(fd, TEST_IMAGE_SIZE);
g_assert(ret == 0);
close(fd);
/* Run the tests */
qtest_add_func("/ahci/sanity", test_sanity);
ret = g_test_run();
/* Cleanup */
unlink(tmp_path);
return ret;
}
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