* [Qemu-devel] [PATCH v2 1/2] qtest/ahci: add qcow2 support to ahci-test
2015-03-13 19:22 [Qemu-devel] [PATCH v2 0/2] ahci: test varying sector offsets John Snow
@ 2015-03-13 19:22 ` John Snow
2015-03-13 19:22 ` [Qemu-devel] [PATCH v2 2/2] qtest/ahci: test different disk sectors John Snow
` (2 subsequent siblings)
3 siblings, 0 replies; 6+ messages in thread
From: John Snow @ 2015-03-13 19:22 UTC (permalink / raw)
To: qemu-block; +Cc: kwolf, John Snow, qemu-devel, stefanha
This will enable the testing of high offsets without
wasting a lot of disk space, and does not impact the
previous tests.
mkimg and mkqcow2 are added to libqos for other tests.
Signed-off-by: John Snow <jsnow@redhat.com>
---
tests/Makefile | 1 +
tests/ahci-test.c | 16 ++++++----------
tests/libqos/libqos.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
tests/libqos/libqos.h | 2 ++
4 files changed, 53 insertions(+), 10 deletions(-)
diff --git a/tests/Makefile b/tests/Makefile
index 1ef95c9..eb71778 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -413,6 +413,7 @@ GCOV_OPTIONS = -n $(if $(V),-f,)
$(patsubst %, check-qtest-%, $(QTEST_TARGETS)): check-qtest-%: $(check-qtest-y)
$(if $(CONFIG_GCOV),@rm -f *.gcda */*.gcda */*/*.gcda */*/*/*.gcda,)
$(call quiet-command,QTEST_QEMU_BINARY=$*-softmmu/qemu-system-$* \
+ QTEST_QEMU_IMG=qemu-img$(EXESUF) \
MALLOC_PERTURB_=$${MALLOC_PERTURB_:-$$((RANDOM % 255 + 1))} \
gtester $(GTESTER_OPTIONS) -m=$(SPEED) $(check-qtest-$*-y),"GTESTER $@")
$(if $(CONFIG_GCOV),@for f in $(gcov-files-$*-y); do \
diff --git a/tests/ahci-test.c b/tests/ahci-test.c
index cf0b98b..3f93c15 100644
--- a/tests/ahci-test.c
+++ b/tests/ahci-test.c
@@ -39,8 +39,8 @@
#include "hw/pci/pci_ids.h"
#include "hw/pci/pci_regs.h"
-/* Test-specific defines. */
-#define TEST_IMAGE_SIZE (64 * 1024 * 1024)
+/* Test-specific defines -- in MiB */
+#define TEST_IMAGE_SIZE_MB (200 * 1024)
/*** Globals ***/
static char tmp_path[] = "/tmp/qtest.XXXXXX";
@@ -81,7 +81,7 @@ static AHCIQState *ahci_boot(void)
s = g_malloc0(sizeof(AHCIQState));
cli = "-drive if=none,id=drive0,file=%s,cache=writeback,serial=%s"
- ",format=raw"
+ ",format=qcow2"
" -M q35 "
"-device ide-hd,drive=drive0 "
"-global ide-hd.ver=%s";
@@ -1051,7 +1051,6 @@ static void create_ahci_io_test(enum IOMode type, enum AddrMode addr,
int main(int argc, char **argv)
{
const char *arch;
- int fd;
int ret;
int c;
int i, j, k;
@@ -1088,12 +1087,9 @@ int main(int argc, char **argv)
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);
+ /* Create a temporary qcow2 image */
+ close(mkstemp(tmp_path));
+ mkqcow2(tmp_path, TEST_IMAGE_SIZE_MB);
/* Run the tests */
qtest_add_func("/ahci/sanity", test_sanity);
diff --git a/tests/libqos/libqos.c b/tests/libqos/libqos.c
index bc8beb2..097091c 100644
--- a/tests/libqos/libqos.c
+++ b/tests/libqos/libqos.c
@@ -61,3 +61,47 @@ void qtest_shutdown(QOSState *qs)
qtest_quit(qs->qts);
g_free(qs);
}
+
+void mkimg(const char *file, const char *fmt, unsigned size_mb)
+{
+ gchar *cli;
+ bool ret;
+ int rc;
+ GError *err = NULL;
+ char *qemu_img_path;
+ gchar *out, *out2;
+ char *abs_path;
+
+ qemu_img_path = getenv("QTEST_QEMU_IMG");
+ abs_path = realpath(qemu_img_path, NULL);
+ assert(qemu_img_path);
+
+ cli = g_strdup_printf("%s create -f %s %s %uM", abs_path,
+ fmt, file, size_mb);
+ ret = g_spawn_command_line_sync(cli, &out, &out2, &rc, &err);
+ if (err) {
+ fprintf(stderr, "%s\n", err->message);
+ g_error_free(err);
+ }
+ g_assert(ret && !err);
+
+ /* In glib 2.34, we have g_spawn_check_exit_status. in 2.12, we don't.
+ * glib 2.43.91 implementation assumes that any non-zero is an error for
+ * windows, but uses extra precautions for Linux. However,
+ * 0 is only possible if the program exited normally, so that should be
+ * sufficient for our purposes on all platforms, here. */
+ if (rc) {
+ fprintf(stderr, "qemu-img returned status code %d\n", rc);
+ }
+ g_assert(!rc);
+
+ g_free(out);
+ g_free(out2);
+ g_free(cli);
+ free(abs_path);
+}
+
+void mkqcow2(const char *file, unsigned size_mb)
+{
+ return mkimg(file, "qcow2", size_mb);
+}
diff --git a/tests/libqos/libqos.h b/tests/libqos/libqos.h
index 612d41e..8cb2987 100644
--- a/tests/libqos/libqos.h
+++ b/tests/libqos/libqos.h
@@ -19,6 +19,8 @@ typedef struct QOSState {
QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap);
QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...);
void qtest_shutdown(QOSState *qs);
+void mkimg(const char *file, const char *fmt, unsigned size_mb);
+void mkqcow2(const char *file, unsigned size_mb);
static inline uint64_t qmalloc(QOSState *q, size_t bytes)
{
--
1.9.3
^ permalink raw reply related [flat|nested] 6+ messages in thread* [Qemu-devel] [PATCH v2 2/2] qtest/ahci: test different disk sectors
2015-03-13 19:22 [Qemu-devel] [PATCH v2 0/2] ahci: test varying sector offsets John Snow
2015-03-13 19:22 ` [Qemu-devel] [PATCH v2 1/2] qtest/ahci: add qcow2 support to ahci-test John Snow
@ 2015-03-13 19:22 ` John Snow
2015-03-24 16:52 ` [Qemu-devel] [PATCH v2 0/2] ahci: test varying sector offsets John Snow
2015-03-25 12:55 ` Stefan Hajnoczi
3 siblings, 0 replies; 6+ messages in thread
From: John Snow @ 2015-03-13 19:22 UTC (permalink / raw)
To: qemu-block; +Cc: kwolf, John Snow, qemu-devel, stefanha
Test sector offset 0, 1, and the last sector(s)
in LBA28 and LBA48 modes.
Signed-off-by: John Snow <jsnow@redhat.com>
---
tests/ahci-test.c | 68 +++++++++++++++++++++++++++++++++++++++++++----------
tests/libqos/ahci.c | 10 ++++----
tests/libqos/ahci.h | 4 ++--
3 files changed, 63 insertions(+), 19 deletions(-)
diff --git a/tests/ahci-test.c b/tests/ahci-test.c
index 3f93c15..fb4739f 100644
--- a/tests/ahci-test.c
+++ b/tests/ahci-test.c
@@ -41,6 +41,8 @@
/* Test-specific defines -- in MiB */
#define TEST_IMAGE_SIZE_MB (200 * 1024)
+#define TEST_IMAGE_SECTORS ((TEST_IMAGE_SIZE_MB / AHCI_SECTOR_SIZE) \
+ * 1024 * 1024)
/*** Globals ***/
static char tmp_path[] = "/tmp/qtest.XXXXXX";
@@ -712,7 +714,7 @@ static void ahci_test_identify(AHCIQState *ahci)
ahci_port_clear(ahci, px);
/* "Read" 512 bytes using CMD_IDENTIFY into the host buffer. */
- ahci_io(ahci, px, CMD_IDENTIFY, &buff, buffsize);
+ ahci_io(ahci, px, CMD_IDENTIFY, &buff, buffsize, 0);
/* Check serial number/version in the buffer */
/* NB: IDENTIFY strings are packed in 16bit little endian chunks.
@@ -728,11 +730,12 @@ static void ahci_test_identify(AHCIQState *ahci)
g_assert_cmphex(rc, ==, 0);
sect_size = le16_to_cpu(*((uint16_t *)(&buff[5])));
- g_assert_cmphex(sect_size, ==, 0x200);
+ g_assert_cmphex(sect_size, ==, AHCI_SECTOR_SIZE);
}
static void ahci_test_io_rw_simple(AHCIQState *ahci, unsigned bufsize,
- uint8_t read_cmd, uint8_t write_cmd)
+ uint64_t sector, uint8_t read_cmd,
+ uint8_t write_cmd)
{
uint64_t ptr;
uint8_t port;
@@ -758,9 +761,9 @@ static void ahci_test_io_rw_simple(AHCIQState *ahci, unsigned bufsize,
memwrite(ptr, tx, bufsize);
/* Write this buffer to disk, then read it back to the DMA buffer. */
- ahci_guest_io(ahci, port, write_cmd, ptr, bufsize);
+ ahci_guest_io(ahci, port, write_cmd, ptr, bufsize, sector);
qmemset(ptr, 0x00, bufsize);
- ahci_guest_io(ahci, port, read_cmd, ptr, bufsize);
+ ahci_guest_io(ahci, port, read_cmd, ptr, bufsize, sector);
/*** Read back the Data ***/
memread(ptr, rx, bufsize);
@@ -948,12 +951,45 @@ enum IOOps {
NUM_IO_OPS
};
+enum OffsetType {
+ OFFSET_BEGIN = 0,
+ OFFSET_ZERO = OFFSET_BEGIN,
+ OFFSET_LOW,
+ OFFSET_HIGH,
+ NUM_OFFSETS
+};
+
+static const char *offset_str[NUM_OFFSETS] = { "zero", "low", "high" };
+
typedef struct AHCIIOTestOptions {
enum BuffLen length;
enum AddrMode address_type;
enum IOMode io_type;
+ enum OffsetType offset;
} AHCIIOTestOptions;
+static uint64_t offset_sector(enum OffsetType ofst,
+ enum AddrMode addr_type,
+ uint64_t buffsize)
+{
+ uint64_t ceil;
+ uint64_t nsectors;
+
+ switch (ofst) {
+ case OFFSET_ZERO:
+ return 0;
+ case OFFSET_LOW:
+ return 1;
+ case OFFSET_HIGH:
+ ceil = (addr_type == ADDR_MODE_LBA28) ? 0xfffffff : 0xffffffffffff;
+ ceil = MIN(ceil, TEST_IMAGE_SECTORS - 1);
+ nsectors = buffsize / AHCI_SECTOR_SIZE;
+ return ceil - nsectors + 1;
+ default:
+ g_assert_not_reached();
+ }
+}
+
/**
* Table of possible I/O ATA commands given a set of enumerations.
*/
@@ -981,12 +1017,12 @@ static const uint8_t io_cmds[NUM_MODES][NUM_ADDR_MODES][NUM_IO_OPS] = {
* transfer modes, and buffer sizes.
*/
static void test_io_rw_interface(enum AddrMode lba48, enum IOMode dma,
- unsigned bufsize)
+ unsigned bufsize, uint64_t sector)
{
AHCIQState *ahci;
ahci = ahci_boot_and_enable();
- ahci_test_io_rw_simple(ahci, bufsize,
+ ahci_test_io_rw_simple(ahci, bufsize, sector,
io_cmds[dma][lba48][IO_READ],
io_cmds[dma][lba48][IO_WRITE]);
ahci_shutdown(ahci);
@@ -999,6 +1035,7 @@ static void test_io_interface(gconstpointer opaque)
{
AHCIIOTestOptions *opts = (AHCIIOTestOptions *)opaque;
unsigned bufsize;
+ uint64_t sector;
switch (opts->length) {
case LEN_SIMPLE:
@@ -1017,13 +1054,14 @@ static void test_io_interface(gconstpointer opaque)
g_assert_not_reached();
}
- test_io_rw_interface(opts->address_type, opts->io_type, bufsize);
+ sector = offset_sector(opts->offset, opts->address_type, bufsize);
+ test_io_rw_interface(opts->address_type, opts->io_type, bufsize, sector);
g_free(opts);
return;
}
static void create_ahci_io_test(enum IOMode type, enum AddrMode addr,
- enum BuffLen len)
+ enum BuffLen len, enum OffsetType offset)
{
static const char *arch;
char *name;
@@ -1032,15 +1070,17 @@ static void create_ahci_io_test(enum IOMode type, enum AddrMode addr,
opts->length = len;
opts->address_type = addr;
opts->io_type = type;
+ opts->offset = offset;
if (!arch) {
arch = qtest_get_arch();
}
- name = g_strdup_printf("/%s/ahci/io/%s/%s/%s", arch,
+ name = g_strdup_printf("/%s/ahci/io/%s/%s/%s/%s", arch,
io_mode_str[type],
addr_mode_str[addr],
- buff_len_str[len]);
+ buff_len_str[len],
+ offset_str[offset]);
g_test_add_data_func(name, opts, test_io_interface);
g_free(name);
@@ -1053,7 +1093,7 @@ int main(int argc, char **argv)
const char *arch;
int ret;
int c;
- int i, j, k;
+ int i, j, k, m;
static struct option long_options[] = {
{"pedantic", no_argument, 0, 'p' },
@@ -1102,7 +1142,9 @@ int main(int argc, char **argv)
for (i = MODE_BEGIN; i < NUM_MODES; i++) {
for (j = ADDR_MODE_BEGIN; j < NUM_ADDR_MODES; j++) {
for (k = LEN_BEGIN; k < NUM_LENGTHS; k++) {
- create_ahci_io_test(i, j, k);
+ for (m = OFFSET_BEGIN; m < NUM_OFFSETS; m++) {
+ create_ahci_io_test(i, j, k, m);
+ }
}
}
}
diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c
index b0f39a5..a18c12b 100644
--- a/tests/libqos/ahci.c
+++ b/tests/libqos/ahci.c
@@ -568,13 +568,15 @@ inline unsigned size_to_prdtl(unsigned bytes, unsigned bytes_per_prd)
/* Given a guest buffer address, perform an IO operation */
void ahci_guest_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd,
- uint64_t buffer, size_t bufsize)
+ uint64_t buffer, size_t bufsize, uint64_t sector)
{
AHCICommand *cmd;
-
cmd = ahci_command_create(ide_cmd);
ahci_command_set_buffer(cmd, buffer);
ahci_command_set_size(cmd, bufsize);
+ if (sector) {
+ ahci_command_set_offset(cmd, sector);
+ }
ahci_command_commit(ahci, cmd, port);
ahci_command_issue(ahci, cmd);
ahci_command_verify(ahci, cmd);
@@ -612,7 +614,7 @@ static AHCICommandProp *ahci_command_find(uint8_t command_name)
/* Given a HOST buffer, create a buffer address and perform an IO operation. */
void ahci_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd,
- void *buffer, size_t bufsize)
+ void *buffer, size_t bufsize, uint64_t sector)
{
uint64_t ptr;
AHCICommandProp *props;
@@ -626,7 +628,7 @@ void ahci_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd,
memwrite(ptr, buffer, bufsize);
}
- ahci_guest_io(ahci, port, ide_cmd, ptr, bufsize);
+ ahci_guest_io(ahci, port, ide_cmd, ptr, bufsize, sector);
if (props->read) {
memread(ptr, buffer, bufsize);
diff --git a/tests/libqos/ahci.h b/tests/libqos/ahci.h
index 888545d..40e8ca4 100644
--- a/tests/libqos/ahci.h
+++ b/tests/libqos/ahci.h
@@ -523,9 +523,9 @@ void ahci_write_fis(AHCIQState *ahci, RegH2DFIS *fis, uint64_t addr);
unsigned ahci_pick_cmd(AHCIQState *ahci, uint8_t port);
unsigned size_to_prdtl(unsigned bytes, unsigned bytes_per_prd);
void ahci_guest_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd,
- uint64_t gbuffer, size_t size);
+ uint64_t gbuffer, size_t size, uint64_t sector);
void ahci_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd,
- void *buffer, size_t bufsize);
+ void *buffer, size_t bufsize, uint64_t sector);
/* Command Lifecycle */
AHCICommand *ahci_command_create(uint8_t command_name);
--
1.9.3
^ permalink raw reply related [flat|nested] 6+ messages in thread