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[Qemu-devel] [PATCH 4/5] qtest/ahci: add migrate dma test
From: |
John Snow |
Subject: |
[Qemu-devel] [PATCH 4/5] qtest/ahci: add migrate dma test |
Date: |
Tue, 24 Feb 2015 12:38:17 -0500 |
Write to one guest, migrate, and then read from the other.
adjust ahci_io to clear any buffers it creates, so that we
can use ahci_io safely on both guests knowing we are using
empty buffers and not accidentally re-using data.
Signed-off-by: John Snow <address@hidden>
---
tests/ahci-test.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
tests/libqos/ahci.c | 1 +
2 files changed, 47 insertions(+)
diff --git a/tests/ahci-test.c b/tests/ahci-test.c
index 4bd81fa..ec3e49e 100644
--- a/tests/ahci-test.c
+++ b/tests/ahci-test.c
@@ -1085,6 +1085,51 @@ static void test_migrate_sanity(void)
ahci_shutdown(dst);
}
+/**
+ * DMA Migration test: Write a pattern, migrate, then read.
+ */
+static void test_migrate_dma(void)
+{
+ AHCIQState *src, *dst;
+ uint8_t px;
+ size_t bufsize = 4096;
+ unsigned char *tx = g_malloc(bufsize);
+ unsigned char *rx = g_malloc0(bufsize);
+ unsigned i;
+
+ src = ahci_boot_and_enable("-m 1024 -M q35 "
+ "-hda %s ", tmp_path);
+ dst = ahci_boot("-m 1024 -M q35 "
+ "-hda %s "
+ "-incoming tcp:127.0.0.1:1234", tmp_path);
+
+ set_context(src->parent);
+
+ /* initialize */
+ px = ahci_port_select(src);
+ ahci_port_clear(src, px);
+
+ /* create pattern */
+ for (i = 0; i < bufsize; i++) {
+ tx[i] = (bufsize - i);
+ }
+
+ /* Write, migrate, then read. */
+ ahci_io(src, px, CMD_WRITE_DMA, tx, bufsize, 0);
+ ahci_migrate(src, dst);
+ ahci_io(dst, px, CMD_READ_DMA, rx, bufsize, 0);
+
+ /* Verify pattern */
+ g_assert_cmphex(memcmp(tx, rx, bufsize), ==, 0);
+
+ set_context(src->parent);
+ ahci_shutdown(src);
+ set_context(dst->parent);
+ ahci_shutdown(dst);
+ g_free(rx);
+ g_free(tx);
+}
+
/******************************************************************************/
/* AHCI I/O Test Matrix Definitions
*/
@@ -1334,6 +1379,7 @@ int main(int argc, char **argv)
qtest_add_func("/ahci/flush/retry", test_flush_retry);
qtest_add_func("/ahci/migrate/sanity", test_migrate_sanity);
+ qtest_add_func("/ahci/migrate/dma", test_migrate_dma);
ret = g_test_run();
diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c
index 8bb9e3e..4091fdd 100644
--- a/tests/libqos/ahci.c
+++ b/tests/libqos/ahci.c
@@ -623,6 +623,7 @@ void ahci_io(AHCIQState *ahci, uint8_t port, uint8_t
ide_cmd,
g_assert(props);
ptr = ahci_alloc(ahci, bufsize);
g_assert(ptr);
+ qmemset(ptr, 0x00, bufsize);
if (props->write) {
memwrite(ptr, buffer, bufsize);
--
1.9.3
- [Qemu-devel] [PATCH 0/5] ahci: enable migration, John Snow, 2015/02/24
- [Qemu-devel] [PATCH 1/5] libqos: Add migration helpers, John Snow, 2015/02/24
- [Qemu-devel] [PATCH 4/5] qtest/ahci: add migrate dma test,
John Snow <=
- [Qemu-devel] [PATCH 2/5] ich9/ahci: Enable Migration, John Snow, 2015/02/24
- [Qemu-devel] [PATCH 3/5] qtest/ahci: Add migration test, John Snow, 2015/02/24
- [Qemu-devel] [PATCH 5/5] qtest/ahci: add flush migrate test, John Snow, 2015/02/24
- Re: [Qemu-devel] [PATCH 0/5] ahci: enable migration, John Snow, 2015/02/24
- Re: [Qemu-devel] [PATCH 0/5] ahci: enable migration, Paolo Bonzini, 2015/02/26