From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35930) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YOZbt-00057D-Td for qemu-devel@nongnu.org; Thu, 19 Feb 2015 17:30:22 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YOZbl-0003xE-Rf for qemu-devel@nongnu.org; Thu, 19 Feb 2015 17:30:17 -0500 Received: from mx1.redhat.com ([209.132.183.28]:34305) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YOZbl-0003x9-If for qemu-devel@nongnu.org; Thu, 19 Feb 2015 17:30:09 -0500 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t1JMU8OT015683 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Thu, 19 Feb 2015 17:30:09 -0500 From: John Snow Date: Thu, 19 Feb 2015 17:29:59 -0500 Message-Id: <1424385003-9412-5-git-send-email-jsnow@redhat.com> In-Reply-To: <1424385003-9412-1-git-send-email-jsnow@redhat.com> References: <1424385003-9412-1-git-send-email-jsnow@redhat.com> Subject: [Qemu-devel] [PATCH 4/8] qtest/ahci: Add DMA test variants List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, John Snow , armbru@redhat.com, stefanha@redhat.com These test a few different pathways in the AHCI code. short: Test the minimum transfer size, exactly one sector. simple: Test a transfer using a single PRD, in this case, 4K. double: Test transferring 8K, which we will split up as two PRDs. long: Test transferring a lot of data using many PRDs, 256K. Signed-off-by: John Snow --- tests/ahci-test.c | 38 ++++++++++++++++++++++++++++++-------- 1 file changed, 30 insertions(+), 8 deletions(-) diff --git a/tests/ahci-test.c b/tests/ahci-test.c index 9fe9fb5..9394d85 100644 --- a/tests/ahci-test.c +++ b/tests/ahci-test.c @@ -731,12 +731,11 @@ static void ahci_test_identify(AHCIQState *ahci) g_assert_cmphex(sect_size, ==, 0x200); } -static void ahci_test_dma_rw_simple(AHCIQState *ahci) +static void ahci_test_dma_rw_simple(AHCIQState *ahci, unsigned bufsize) { uint64_t ptr; uint8_t port; unsigned i; - const unsigned bufsize = 4096; unsigned char *tx = g_malloc(bufsize); unsigned char *rx = g_malloc0(bufsize); @@ -751,7 +750,7 @@ static void ahci_test_dma_rw_simple(AHCIQState *ahci) ptr = ahci_alloc(ahci, bufsize); g_assert(ptr); - /* Write some indicative pattern to our 4K buffer. */ + /* Write some indicative pattern to our buffer. */ for (i = 0; i < bufsize; i++) { tx[i] = (bufsize - i); } @@ -852,15 +851,35 @@ static void test_identify(void) } /** - * Perform a simple DMA R/W test, using a single PRD and non-NCQ commands. + * Perform a simple DMA R/W test using non-NCQ commands. */ +static void test_dma_rw_interface(unsigned bufsize) +{ + AHCIQState *ahci; + + ahci = ahci_boot_and_enable(); + ahci_test_dma_rw_simple(ahci, bufsize); + ahci_shutdown(ahci); +} + static void test_dma_rw_simple(void) { - AHCIQState *ahci; + test_dma_rw_interface(4096); +} - ahci = ahci_boot_and_enable(); - ahci_test_dma_rw_simple(ahci); - ahci_shutdown(ahci); +static void test_dma_rw_double(void) +{ + test_dma_rw_interface(8192); +} + +static void test_dma_rw_long(void) +{ + test_dma_rw_interface(4096 * 64); +} + +static void test_dma_rw_short(void) +{ + test_dma_rw_interface(512); } /******************************************************************************/ @@ -919,6 +938,9 @@ int main(int argc, char **argv) qtest_add_func("/ahci/hba_enable", test_hba_enable); qtest_add_func("/ahci/identify", test_identify); qtest_add_func("/ahci/dma/simple", test_dma_rw_simple); + qtest_add_func("/ahci/dma/double", test_dma_rw_double); + qtest_add_func("/ahci/dma/long", test_dma_rw_long); + qtest_add_func("/ahci/dma/short", test_dma_rw_short); ret = g_test_run(); -- 1.9.3