From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59587) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aaSke-0001yE-U1 for qemu-devel@nongnu.org; Mon, 29 Feb 2016 13:41:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aaSkd-0007ky-DB for qemu-devel@nongnu.org; Mon, 29 Feb 2016 13:41:00 -0500 Received: from mx1.redhat.com ([209.132.183.28]:33790) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aaSkd-0007kk-80 for qemu-devel@nongnu.org; Mon, 29 Feb 2016 13:40:59 -0500 From: Markus Armbruster Date: Mon, 29 Feb 2016 19:40:23 +0100 Message-Id: <1456771254-17511-8-git-send-email-armbru@redhat.com> In-Reply-To: <1456771254-17511-1-git-send-email-armbru@redhat.com> References: <1456771254-17511-1-git-send-email-armbru@redhat.com> Subject: [Qemu-devel] [PATCH 07/38] ivshmem-test: Improve test cases /ivshmem/server-* List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: claudio.fontana@huawei.com, cam@cs.ualberta.ca, mlureau@redhat.com, david.marchand@6wind.com, pbonzini@redhat.com Document missing test: behavior with MSI-X present but not enabled. For MSI-X, we test and clear the interrupt pending bit before testing the interrupt. For INTx, we only clear. Change to test and clear for consistency. Test MSI-X vector 1 in addition to vector 0. Improve comments. Signed-off-by: Markus Armbruster --- tests/ivshmem-test.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/tests/ivshmem-test.c b/tests/ivshmem-test.c index f40c3497..c1dd7bb 100644 --- a/tests/ivshmem-test.c +++ b/tests/ivshmem-test.c @@ -339,18 +339,21 @@ static void test_ivshmem_server(bool msi) vm2 = in_reg(s2, IVPOSITION); g_assert_cmpuint(vm1, !=, vm2); + /* check number of MSI-X vectors */ global_qtest = s1->qtest; if (msi) { ret = qpci_msix_table_size(s1->dev); g_assert_cmpuint(ret, ==, nvectors); } - /* ping vm2 -> vm1 */ + /* TODO test behavior before MSI-X is enabled */ + + /* ping vm2 -> vm1 on vector 0 */ if (msi) { ret = qpci_msix_pending(s1->dev, 0); g_assert_cmpuint(ret, ==, 0); } else { - out_reg(s1, INTRSTATUS, 0); + g_assert_cmpuint(in_reg(s1, INTRSTATUS), ==, 0); } out_reg(s2, DOORBELL, vm1 << 16); do { @@ -359,18 +362,18 @@ static void test_ivshmem_server(bool msi) } while (ret == 0 && g_get_monotonic_time() < end_time); g_assert_cmpuint(ret, !=, 0); - /* ping vm1 -> vm2 */ + /* ping vm1 -> vm2 on vector 1 */ global_qtest = s2->qtest; if (msi) { - ret = qpci_msix_pending(s2->dev, 0); + ret = qpci_msix_pending(s2->dev, 1); g_assert_cmpuint(ret, ==, 0); } else { - out_reg(s2, INTRSTATUS, 0); + g_assert_cmpuint(in_reg(s2, INTRSTATUS), ==, 0); } - out_reg(s1, DOORBELL, vm2 << 16); + out_reg(s1, DOORBELL, vm2 << 16 | 1); do { g_usleep(10000); - ret = msi ? qpci_msix_pending(s2->dev, 0) : in_reg(s2, INTRSTATUS); + ret = msi ? qpci_msix_pending(s2->dev, 1) : in_reg(s2, INTRSTATUS); } while (ret == 0 && g_get_monotonic_time() < end_time); g_assert_cmpuint(ret, !=, 0); -- 2.4.3