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-rw-r--r--qemu/tests/ahci-test.c293
1 files changed, 193 insertions, 100 deletions
diff --git a/qemu/tests/ahci-test.c b/qemu/tests/ahci-test.c
index 87d769186..6869f7f46 100644
--- a/qemu/tests/ahci-test.c
+++ b/qemu/tests/ahci-test.c
@@ -22,9 +22,7 @@
* THE SOFTWARE.
*/
-#include <stdint.h>
-#include <string.h>
-#include <stdio.h>
+#include "qemu/osdep.h"
#include <getopt.h>
#include <glib.h>
@@ -39,15 +37,17 @@
#include "hw/pci/pci_ids.h"
#include "hw/pci/pci_regs.h"
-/* 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)
+/* Test images sizes in MB */
+#define TEST_IMAGE_SIZE_MB_LARGE (200 * 1024)
+#define TEST_IMAGE_SIZE_MB_SMALL 64
/*** Globals ***/
static char tmp_path[] = "/tmp/qtest.XXXXXX";
static char debug_path[] = "/tmp/qtest-blkdebug.XXXXXX";
+static char mig_socket[] = "/tmp/qtest-migration.XXXXXX";
static bool ahci_pedantic;
+static const char *imgfmt;
+static unsigned test_image_size_mb;
/*** Function Declarations ***/
static void ahci_test_port_spec(AHCIQState *ahci, uint8_t port);
@@ -60,6 +60,11 @@ static void ahci_test_pmcap(AHCIQState *ahci, uint8_t offset);
/*** Utilities ***/
+static uint64_t mb_to_sectors(uint64_t image_size_mb)
+{
+ return (image_size_mb * 1024 * 1024) / AHCI_SECTOR_SIZE;
+}
+
static void string_bswap16(uint16_t *s, size_t bytes)
{
g_assert_cmphex((bytes & 1), ==, 0);
@@ -71,32 +76,6 @@ static void string_bswap16(uint16_t *s, size_t bytes)
}
}
-static void generate_pattern(void *buffer, size_t len, size_t cycle_len)
-{
- int i, j;
- unsigned char *tx = (unsigned char *)buffer;
- unsigned char p;
- size_t *sx;
-
- /* Write an indicative pattern that varies and is unique per-cycle */
- p = rand() % 256;
- for (i = j = 0; i < len; i++, j++) {
- tx[i] = p;
- if (j % cycle_len == 0) {
- p = rand() % 256;
- }
- }
-
- /* force uniqueness by writing an id per-cycle */
- for (i = 0; i < len / cycle_len; i++) {
- j = i * cycle_len;
- if (j + sizeof(*sx) <= len) {
- sx = (size_t *)&tx[j];
- *sx = i;
- }
- }
-}
-
/**
* Verify that the transfer did not corrupt our state at all.
*/
@@ -140,8 +119,11 @@ static void ahci_migrate(AHCIQState *from, AHCIQState *to, const char *uri)
{
QOSState *tmp = to->parent;
QPCIDevice *dev = to->dev;
+ char *uri_local = NULL;
+
if (uri == NULL) {
- uri = "tcp:127.0.0.1:1234";
+ uri_local = g_strdup_printf("%s%s", "unix:", mig_socket);
+ uri = uri_local;
}
/* context will be 'to' after completion. */
@@ -161,6 +143,7 @@ static void ahci_migrate(AHCIQState *from, AHCIQState *to, const char *uri)
from->dev = dev;
verify_state(to);
+ g_free(uri_local);
}
/*** Test Setup & Teardown ***/
@@ -196,11 +179,11 @@ static AHCIQState *ahci_boot(const char *cli, ...)
va_end(ap);
} else {
cli = "-drive if=none,id=drive0,file=%s,cache=writeback,serial=%s"
- ",format=qcow2"
+ ",format=%s"
" -M q35 "
"-device ide-hd,drive=drive0 "
"-global ide-hd.ver=%s";
- s = ahci_boot(cli, tmp_path, "testdisk", "version");
+ s = ahci_boot(cli, tmp_path, "testdisk", imgfmt, "version");
}
return s;
@@ -230,6 +213,7 @@ static AHCIQState *ahci_boot_and_enable(const char *cli, ...)
va_list ap;
uint16_t buff[256];
uint8_t port;
+ uint8_t hello;
if (cli) {
va_start(ap, cli);
@@ -244,7 +228,12 @@ static AHCIQState *ahci_boot_and_enable(const char *cli, ...)
/* Initialize test device */
port = ahci_port_select(ahci);
ahci_port_clear(ahci, port);
- ahci_io(ahci, port, CMD_IDENTIFY, &buff, sizeof(buff), 0);
+ if (is_atapi(ahci, port)) {
+ hello = CMD_PACKET_ID;
+ } else {
+ hello = CMD_IDENTIFY;
+ }
+ ahci_io(ahci, port, hello, &buff, sizeof(buff), 0);
return ahci;
}
@@ -899,18 +888,12 @@ static void ahci_test_io_rw_simple(AHCIQState *ahci, unsigned bufsize,
static uint8_t ahci_test_nondata(AHCIQState *ahci, uint8_t ide_cmd)
{
uint8_t port;
- AHCICommand *cmd;
/* Sanitize */
port = ahci_port_select(ahci);
ahci_port_clear(ahci, port);
- /* Issue Command */
- cmd = ahci_command_create(ide_cmd);
- ahci_command_commit(ahci, cmd, port);
- ahci_command_issue(ahci, cmd);
- ahci_command_verify(ahci, cmd);
- ahci_command_free(cmd);
+ ahci_io(ahci, port, ide_cmd, NULL, 0, 0);
return port;
}
@@ -926,7 +909,7 @@ static void ahci_test_max(AHCIQState *ahci)
uint64_t nsect;
uint8_t port;
uint8_t cmd;
- uint64_t config_sect = TEST_IMAGE_SECTORS - 1;
+ uint64_t config_sect = mb_to_sectors(test_image_size_mb) - 1;
if (config_sect > 0xFFFFFF) {
cmd = CMD_READ_MAX_EXT;
@@ -1060,14 +1043,14 @@ static void test_dma_fragmented(void)
ahci_command_commit(ahci, cmd, px);
ahci_command_issue(ahci, cmd);
ahci_command_verify(ahci, cmd);
- g_free(cmd);
+ ahci_command_free(cmd);
cmd = ahci_command_create(CMD_READ_DMA);
ahci_command_adjust(cmd, 0, ptr, bufsize, 32);
ahci_command_commit(ahci, cmd, px);
ahci_command_issue(ahci, cmd);
ahci_command_verify(ahci, cmd);
- g_free(cmd);
+ ahci_command_free(cmd);
/* Read back the guest's receive buffer into local memory */
bufread(ptr, rx, bufsize);
@@ -1095,33 +1078,23 @@ static void test_flush_retry(void)
AHCIQState *ahci;
AHCICommand *cmd;
uint8_t port;
- const char *s;
prepare_blkdebug_script(debug_path, "flush_to_disk");
ahci = ahci_boot_and_enable("-drive file=blkdebug:%s:%s,if=none,id=drive0,"
- "format=qcow2,cache=writeback,"
+ "format=%s,cache=writeback,"
"rerror=stop,werror=stop "
"-M q35 "
"-device ide-hd,drive=drive0 ",
debug_path,
- tmp_path);
+ tmp_path, imgfmt);
/* Issue Flush Command and wait for error */
port = ahci_port_select(ahci);
ahci_port_clear(ahci, port);
- cmd = ahci_command_create(CMD_FLUSH_CACHE);
- ahci_command_commit(ahci, cmd, port);
- ahci_command_issue_async(ahci, cmd);
- qmp_eventwait("STOP");
- /* Complete the command */
- s = "{'execute':'cont' }";
- qmp_async(s);
- qmp_eventwait("RESUME");
- ahci_command_wait(ahci, cmd);
- ahci_command_verify(ahci, cmd);
+ cmd = ahci_guest_io_halt(ahci, port, CMD_FLUSH_CACHE, 0, 0, 0);
+ ahci_guest_io_resume(ahci, cmd);
- ahci_command_free(cmd);
ahci_shutdown(ahci);
}
@@ -1131,18 +1104,19 @@ static void test_flush_retry(void)
static void test_migrate_sanity(void)
{
AHCIQState *src, *dst;
- const char *uri = "tcp:127.0.0.1:1234";
+ char *uri = g_strdup_printf("unix:%s", mig_socket);
src = ahci_boot("-m 1024 -M q35 "
- "-hda %s ", tmp_path);
+ "-drive if=ide,file=%s,format=%s ", tmp_path, imgfmt);
dst = ahci_boot("-m 1024 -M q35 "
- "-hda %s "
- "-incoming %s", tmp_path, uri);
+ "-drive if=ide,file=%s,format=%s "
+ "-incoming %s", tmp_path, imgfmt, uri);
ahci_migrate(src, dst, uri);
ahci_shutdown(src);
ahci_shutdown(dst);
+ g_free(uri);
}
/**
@@ -1155,14 +1129,14 @@ static void ahci_migrate_simple(uint8_t cmd_read, uint8_t cmd_write)
size_t bufsize = 4096;
unsigned char *tx = g_malloc(bufsize);
unsigned char *rx = g_malloc0(bufsize);
- unsigned i;
- const char *uri = "tcp:127.0.0.1:1234";
+ char *uri = g_strdup_printf("unix:%s", mig_socket);
src = ahci_boot_and_enable("-m 1024 -M q35 "
- "-hda %s ", tmp_path);
+ "-drive if=ide,format=%s,file=%s ",
+ imgfmt, tmp_path);
dst = ahci_boot("-m 1024 -M q35 "
- "-hda %s "
- "-incoming %s", tmp_path, uri);
+ "-drive if=ide,format=%s,file=%s "
+ "-incoming %s", imgfmt, tmp_path, uri);
set_context(src->parent);
@@ -1171,9 +1145,7 @@ static void ahci_migrate_simple(uint8_t cmd_read, uint8_t cmd_write)
ahci_port_clear(src, px);
/* create pattern */
- for (i = 0; i < bufsize; i++) {
- tx[i] = (bufsize - i);
- }
+ generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
/* Write, migrate, then read. */
ahci_io(src, px, cmd_write, tx, bufsize, 0);
@@ -1187,6 +1159,7 @@ static void ahci_migrate_simple(uint8_t cmd_read, uint8_t cmd_write)
ahci_shutdown(dst);
g_free(rx);
g_free(tx);
+ g_free(uri);
}
static void test_migrate_dma(void)
@@ -1213,29 +1186,25 @@ static void ahci_halted_io_test(uint8_t cmd_read, uint8_t cmd_write)
size_t bufsize = 4096;
unsigned char *tx = g_malloc(bufsize);
unsigned char *rx = g_malloc0(bufsize);
- unsigned i;
uint64_t ptr;
AHCICommand *cmd;
prepare_blkdebug_script(debug_path, "write_aio");
ahci = ahci_boot_and_enable("-drive file=blkdebug:%s:%s,if=none,id=drive0,"
- "format=qcow2,cache=writeback,"
+ "format=%s,cache=writeback,"
"rerror=stop,werror=stop "
"-M q35 "
"-device ide-hd,drive=drive0 ",
debug_path,
- tmp_path);
+ tmp_path, imgfmt);
/* Initialize and prepare */
port = ahci_port_select(ahci);
ahci_port_clear(ahci, port);
- for (i = 0; i < bufsize; i++) {
- tx[i] = (bufsize - i);
- }
-
/* create DMA source buffer and write pattern */
+ generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
ptr = ahci_alloc(ahci, bufsize);
g_assert(ptr);
memwrite(ptr, tx, bufsize);
@@ -1282,38 +1251,34 @@ static void ahci_migrate_halted_io(uint8_t cmd_read, uint8_t cmd_write)
size_t bufsize = 4096;
unsigned char *tx = g_malloc(bufsize);
unsigned char *rx = g_malloc0(bufsize);
- unsigned i;
uint64_t ptr;
AHCICommand *cmd;
- const char *uri = "tcp:127.0.0.1:1234";
+ char *uri = g_strdup_printf("unix:%s", mig_socket);
prepare_blkdebug_script(debug_path, "write_aio");
src = ahci_boot_and_enable("-drive file=blkdebug:%s:%s,if=none,id=drive0,"
- "format=qcow2,cache=writeback,"
+ "format=%s,cache=writeback,"
"rerror=stop,werror=stop "
"-M q35 "
"-device ide-hd,drive=drive0 ",
debug_path,
- tmp_path);
+ tmp_path, imgfmt);
dst = ahci_boot("-drive file=%s,if=none,id=drive0,"
- "format=qcow2,cache=writeback,"
+ "format=%s,cache=writeback,"
"rerror=stop,werror=stop "
"-M q35 "
"-device ide-hd,drive=drive0 "
"-incoming %s",
- tmp_path, uri);
+ tmp_path, imgfmt, uri);
set_context(src->parent);
/* Initialize and prepare */
port = ahci_port_select(src);
ahci_port_clear(src, port);
-
- for (i = 0; i < bufsize; i++) {
- tx[i] = (bufsize - i);
- }
+ generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
/* create DMA source buffer and write pattern */
ptr = ahci_alloc(src, bufsize);
@@ -1338,6 +1303,7 @@ static void ahci_migrate_halted_io(uint8_t cmd_read, uint8_t cmd_write)
ahci_shutdown(dst);
g_free(rx);
g_free(tx);
+ g_free(uri);
}
static void test_migrate_halted_dma(void)
@@ -1359,20 +1325,22 @@ static void test_flush_migrate(void)
AHCICommand *cmd;
uint8_t px;
const char *s;
- const char *uri = "tcp:127.0.0.1:1234";
+ char *uri = g_strdup_printf("unix:%s", mig_socket);
prepare_blkdebug_script(debug_path, "flush_to_disk");
src = ahci_boot_and_enable("-drive file=blkdebug:%s:%s,if=none,id=drive0,"
- "cache=writeback,rerror=stop,werror=stop "
+ "cache=writeback,rerror=stop,werror=stop,"
+ "format=%s "
"-M q35 "
"-device ide-hd,drive=drive0 ",
- debug_path, tmp_path);
+ debug_path, tmp_path, imgfmt);
dst = ahci_boot("-drive file=%s,if=none,id=drive0,"
- "cache=writeback,rerror=stop,werror=stop "
+ "cache=writeback,rerror=stop,werror=stop,"
+ "format=%s "
"-M q35 "
"-device ide-hd,drive=drive0 "
- "-incoming %s", tmp_path, uri);
+ "-incoming %s", tmp_path, imgfmt, uri);
set_context(src->parent);
@@ -1397,6 +1365,7 @@ static void test_flush_migrate(void)
ahci_command_free(cmd);
ahci_shutdown(src);
ahci_shutdown(dst);
+ g_free(uri);
}
static void test_max(void)
@@ -1442,6 +1411,98 @@ static void test_ncq_simple(void)
ahci_shutdown(ahci);
}
+static int prepare_iso(size_t size, unsigned char **buf, char **name)
+{
+ char cdrom_path[] = "/tmp/qtest.iso.XXXXXX";
+ unsigned char *patt;
+ ssize_t ret;
+ int fd = mkstemp(cdrom_path);
+
+ g_assert(buf);
+ g_assert(name);
+ patt = g_malloc(size);
+
+ /* Generate a pattern and build a CDROM image to read from */
+ generate_pattern(patt, size, ATAPI_SECTOR_SIZE);
+ ret = write(fd, patt, size);
+ g_assert(ret == size);
+
+ *name = g_strdup(cdrom_path);
+ *buf = patt;
+ return fd;
+}
+
+static void remove_iso(int fd, char *name)
+{
+ unlink(name);
+ g_free(name);
+ close(fd);
+}
+
+static int ahci_cb_cmp_buff(AHCIQState *ahci, AHCICommand *cmd,
+ const AHCIOpts *opts)
+{
+ unsigned char *tx = opts->opaque;
+ unsigned char *rx = g_malloc0(opts->size);
+
+ bufread(opts->buffer, rx, opts->size);
+ g_assert_cmphex(memcmp(tx, rx, opts->size), ==, 0);
+ g_free(rx);
+
+ return 0;
+}
+
+static void ahci_test_cdrom(int nsectors, bool dma)
+{
+ AHCIQState *ahci;
+ unsigned char *tx;
+ char *iso;
+ int fd;
+ AHCIOpts opts = {
+ .size = (ATAPI_SECTOR_SIZE * nsectors),
+ .atapi = true,
+ .atapi_dma = dma,
+ .post_cb = ahci_cb_cmp_buff,
+ };
+
+ /* Prepare ISO and fill 'tx' buffer */
+ fd = prepare_iso(1024 * 1024, &tx, &iso);
+ opts.opaque = tx;
+
+ /* Standard startup wonkery, but use ide-cd and our special iso file */
+ ahci = ahci_boot_and_enable("-drive if=none,id=drive0,file=%s,format=raw "
+ "-M q35 "
+ "-device ide-cd,drive=drive0 ", iso);
+
+ /* Build & Send AHCI command */
+ ahci_exec(ahci, ahci_port_select(ahci), CMD_ATAPI_READ_10, &opts);
+
+ /* Cleanup */
+ g_free(tx);
+ ahci_shutdown(ahci);
+ remove_iso(fd, iso);
+}
+
+static void test_cdrom_dma(void)
+{
+ ahci_test_cdrom(1, true);
+}
+
+static void test_cdrom_dma_multi(void)
+{
+ ahci_test_cdrom(3, true);
+}
+
+static void test_cdrom_pio(void)
+{
+ ahci_test_cdrom(1, false);
+}
+
+static void test_cdrom_pio_multi(void)
+{
+ ahci_test_cdrom(3, false);
+}
+
/******************************************************************************/
/* AHCI I/O Test Matrix Definitions */
@@ -1513,7 +1574,7 @@ static uint64_t offset_sector(enum OffsetType ofst,
return 1;
case OFFSET_HIGH:
ceil = (addr_type == ADDR_MODE_LBA28) ? 0xfffffff : 0xffffffffffff;
- ceil = MIN(ceil, TEST_IMAGE_SECTORS - 1);
+ ceil = MIN(ceil, mb_to_sectors(test_image_size_mb) - 1);
nsectors = buffsize / AHCI_SECTOR_SIZE;
return ceil - nsectors + 1;
default:
@@ -1595,8 +1656,9 @@ static void create_ahci_io_test(enum IOMode type, enum AddrMode addr,
enum BuffLen len, enum OffsetType offset)
{
char *name;
- AHCIIOTestOptions *opts = g_malloc(sizeof(AHCIIOTestOptions));
+ AHCIIOTestOptions *opts;
+ opts = g_malloc(sizeof(AHCIIOTestOptions));
opts->length = len;
opts->address_type = addr;
opts->io_type = type;
@@ -1608,6 +1670,13 @@ static void create_ahci_io_test(enum IOMode type, enum AddrMode addr,
buff_len_str[len],
offset_str[offset]);
+ if ((addr == ADDR_MODE_LBA48) && (offset == OFFSET_HIGH) &&
+ (mb_to_sectors(test_image_size_mb) <= 0xFFFFFFF)) {
+ g_test_message("%s: skipped; test image too small", name);
+ g_free(name);
+ return;
+ }
+
qtest_add_data_func(name, opts, test_io_interface);
g_free(name);
}
@@ -1654,15 +1723,33 @@ int main(int argc, char **argv)
return 0;
}
- /* Create a temporary qcow2 image */
- close(mkstemp(tmp_path));
- mkqcow2(tmp_path, TEST_IMAGE_SIZE_MB);
+ /* Create a temporary image */
+ fd = mkstemp(tmp_path);
+ g_assert(fd >= 0);
+ if (have_qemu_img()) {
+ imgfmt = "qcow2";
+ test_image_size_mb = TEST_IMAGE_SIZE_MB_LARGE;
+ mkqcow2(tmp_path, TEST_IMAGE_SIZE_MB_LARGE);
+ } else {
+ g_test_message("QTEST_QEMU_IMG not set or qemu-img missing; "
+ "skipping LBA48 high-sector tests");
+ imgfmt = "raw";
+ test_image_size_mb = TEST_IMAGE_SIZE_MB_SMALL;
+ ret = ftruncate(fd, test_image_size_mb * 1024 * 1024);
+ g_assert(ret == 0);
+ }
+ close(fd);
/* Create temporary blkdebug instructions */
fd = mkstemp(debug_path);
g_assert(fd >= 0);
close(fd);
+ /* Reserve a hollow file to use as a socket for migration tests */
+ fd = mkstemp(mig_socket);
+ g_assert(fd >= 0);
+ close(fd);
+
/* Run the tests */
qtest_add_func("/ahci/sanity", test_sanity);
qtest_add_func("/ahci/pci_spec", test_pci_spec);
@@ -1700,11 +1787,17 @@ int main(int argc, char **argv)
qtest_add_func("/ahci/io/ncq/retry", test_halted_ncq);
qtest_add_func("/ahci/migrate/ncq/halted", test_migrate_halted_ncq);
+ qtest_add_func("/ahci/cdrom/dma/single", test_cdrom_dma);
+ qtest_add_func("/ahci/cdrom/dma/multi", test_cdrom_dma_multi);
+ qtest_add_func("/ahci/cdrom/pio/single", test_cdrom_pio);
+ qtest_add_func("/ahci/cdrom/pio/multi", test_cdrom_pio_multi);
+
ret = g_test_run();
/* Cleanup */
unlink(tmp_path);
unlink(debug_path);
+ unlink(mig_socket);
return ret;
}