| From d1c34ff41de0ece966991adb6aef6f2bce2ccfc4 Mon Sep 17 00:00:00 2001 |
| From: Kevin Wolf <kwolf@redhat.com> |
| Date: Wed, 10 Sep 2014 11:06:08 +0200 |
| Subject: [PATCH 09/12] ide-test: Add FLUSH CACHE test case |
| |
| Message-id: <1410347169-4368-3-git-send-email-kwolf@redhat.com> |
| Patchwork-id: 60954 |
| O-Subject: [RHEL-7.1 qemu-kvm PATCH 2/3] ide-test: Add FLUSH CACHE test case |
| Bugzilla: 1123372 |
| RH-Acked-by: Max Reitz <mreitz@redhat.com> |
| RH-Acked-by: Fam Zheng <famz@redhat.com> |
| RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com> |
| |
| This checks in particular that BSY is set while the flush request is in |
| flight. |
| |
| Signed-off-by: Kevin Wolf <kwolf@redhat.com> |
| Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> |
| (cherry picked from commit bd07684aacfb61668ae2c25b7dd00b64f3d7c7f3) |
| |
| RHEL: Whitelist the blkdebug driver so that the new qtest can succeed. |
| |
| Signed-off-by: Kevin Wolf <kwolf@redhat.com> |
| Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com> |
| |
| redhat/qemu-kvm.spec.template | 4 ++-- |
| tests/ide-test.c | 40 ++++++++++++++++++++++++++++++++++++++++ |
| 2 files changed, 42 insertions(+), 2 deletions(-) |
| |
| diff --git a/tests/ide-test.c b/tests/ide-test.c |
| index ac59259..739d2bf 100644 |
| |
| |
| @@ -77,6 +77,7 @@ enum { |
| enum { |
| CMD_READ_DMA = 0xc8, |
| CMD_WRITE_DMA = 0xca, |
| + CMD_FLUSH_CACHE = 0xe7, |
| CMD_IDENTIFY = 0xec, |
| |
| CMDF_ABORT = 0x100, |
| @@ -424,6 +425,43 @@ static void test_identify(void) |
| ide_test_quit(); |
| } |
| |
| +static void test_flush(void) |
| +{ |
| + uint8_t data; |
| + |
| + ide_test_start( |
| + "-vnc none " |
| + "-drive file=blkdebug::%s,if=ide,cache=writeback", |
| + tmp_path); |
| + |
| + /* Delay the completion of the flush request until we explicitly do it */ |
| + qmp("{'execute':'human-monitor-command', 'arguments': { " |
| + "'command-line': 'qemu-io ide0-hd0 \"break flush_to_os A\"'} }"); |
| + |
| + /* FLUSH CACHE command on device 0*/ |
| + outb(IDE_BASE + reg_device, 0); |
| + outb(IDE_BASE + reg_command, CMD_FLUSH_CACHE); |
| + |
| + /* Check status while request is in flight*/ |
| + data = inb(IDE_BASE + reg_status); |
| + assert_bit_set(data, BSY | DRDY); |
| + assert_bit_clear(data, DF | ERR | DRQ); |
| + |
| + /* Complete the command */ |
| + qmp("{'execute':'human-monitor-command', 'arguments': { " |
| + "'command-line': 'qemu-io ide0-hd0 \"resume A\"'} }"); |
| + |
| + /* Check registers */ |
| + data = inb(IDE_BASE + reg_device); |
| + g_assert_cmpint(data & DEV, ==, 0); |
| + |
| + data = inb(IDE_BASE + reg_status); |
| + assert_bit_set(data, DRDY); |
| + assert_bit_clear(data, BSY | DF | ERR | DRQ); |
| + |
| + ide_test_quit(); |
| +} |
| + |
| int main(int argc, char **argv) |
| { |
| const char *arch = qtest_get_arch(); |
| @@ -454,6 +492,8 @@ int main(int argc, char **argv) |
| qtest_add_func("/ide/bmdma/long_prdt", test_bmdma_long_prdt); |
| qtest_add_func("/ide/bmdma/teardown", test_bmdma_teardown); |
| |
| + qtest_add_func("/ide/flush", test_flush); |
| + |
| ret = g_test_run(); |
| |
| /* Cleanup */ |
| -- |
| 1.7.1 |
| |