From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtprelay.synopsys.com ([198.182.37.59]:37149 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758922AbeD0Q6A (ORCPT ); Fri, 27 Apr 2018 12:58:00 -0400 From: Gustavo Pimentel To: bhelgaas@google.com, lorenzo.pieralisi@arm.com, Joao.Pinto@synopsys.com, jingoohan1@gmail.com, kishon@ti.com, adouglas@cadence.com, jesper.nilsson@axis.com Cc: linux-pci@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, gustavo.pimentel@synopsys.com Subject: [PATCH 09/10] tools: PCI: Add MSI-X support Date: Fri, 27 Apr 2018 17:57:46 +0100 Message-Id: <4de76f9ea0a2e8ccc5656a984a092c240f800a56.1524845816.git.gustavo.pimentel@synopsys.com> In-Reply-To: References: In-Reply-To: References: Sender: linux-pci-owner@vger.kernel.org List-ID: Add MSI-X support to pcitest tool. Modify pcitest.sh script to accomodate MSI-X interrupt tests. Signed-off-by: Gustavo Pimentel --- include/uapi/linux/pcitest.h | 1 + tools/pci/pcitest.c | 18 +++++++++++++++++- tools/pci/pcitest.sh | 25 +++++++++++++++++++++++++ 3 files changed, 43 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/pcitest.h b/include/uapi/linux/pcitest.h index 953cf03..d746fb1 100644 --- a/include/uapi/linux/pcitest.h +++ b/include/uapi/linux/pcitest.h @@ -16,5 +16,6 @@ #define PCITEST_WRITE _IOW('P', 0x4, unsigned long) #define PCITEST_READ _IOW('P', 0x5, unsigned long) #define PCITEST_COPY _IOW('P', 0x6, unsigned long) +#define PCITEST_MSIX _IOW('P', 0x7, int) #endif /* __UAPI_LINUX_PCITEST_H */ diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c index 9074b47..9d145a3 100644 --- a/tools/pci/pcitest.c +++ b/tools/pci/pcitest.c @@ -37,6 +37,7 @@ struct pci_test { char barnum; bool legacyirq; unsigned int msinum; + unsigned int msixnum; bool read; bool write; bool copy; @@ -83,6 +84,15 @@ static int run_test(struct pci_test *test) fprintf(stdout, "%s\n", result[ret]); } + if (test->msixnum > 0 && test->msixnum <= 2048) { + ret = ioctl(fd, PCITEST_MSIX, test->msixnum); + fprintf(stdout, "MSI-X%d:\t\t", test->msixnum); + if (ret < 0) + fprintf(stdout, "TEST FAILED\n"); + else + fprintf(stdout, "%s\n", result[ret]); + } + if (test->write) { ret = ioctl(fd, PCITEST_WRITE, test->size); fprintf(stdout, "WRITE (%7ld bytes):\t\t", test->size); @@ -133,7 +143,7 @@ int main(int argc, char **argv) /* set default endpoint device */ test->device = "/dev/pci-endpoint-test.0"; - while ((c = getopt(argc, argv, "D:b:m:lrwcs:")) != EOF) + while ((c = getopt(argc, argv, "D:b:m:x:lrwcs:")) != EOF) switch (c) { case 'D': test->device = optarg; @@ -151,6 +161,11 @@ int main(int argc, char **argv) if (test->msinum < 1 || test->msinum > 32) goto usage; continue; + case 'x': + test->msixnum = atoi(optarg); + if (test->msixnum < 1 || test->msixnum > 2048) + goto usage; + continue; case 'r': test->read = true; continue; @@ -173,6 +188,7 @@ int main(int argc, char **argv) "\t-D PCI endpoint test device {default: /dev/pci-endpoint-test.0}\n" "\t-b BAR test (bar number between 0..5)\n" "\t-m MSI test (msi number between 1..32)\n" + "\t-x MSI-X test (msix number between 1..2048)\n" "\t-l Legacy IRQ test\n" "\t-r Read buffer test\n" "\t-w Write buffer test\n" diff --git a/tools/pci/pcitest.sh b/tools/pci/pcitest.sh index 77e8c85..86709a2 100644 --- a/tools/pci/pcitest.sh +++ b/tools/pci/pcitest.sh @@ -4,6 +4,8 @@ echo "BAR tests" echo +modprobe pci_endpoint_test +sleep 2 bar=0 while [ $bar -lt 6 ] @@ -16,7 +18,14 @@ echo echo "Interrupt tests" echo +rmmod pci_endpoint_test +sleep 2 +modprobe pci_endpoint_test irq_type=0 pcitest -l + +rmmod pci_endpoint_test +sleep 2 +modprobe pci_endpoint_test irq_type=1 msi=1 while [ $msi -lt 33 ] @@ -26,9 +35,25 @@ do done echo +rmmod pci_endpoint_test +sleep 2 +modprobe pci_endpoint_test irq_type=2 +msix=1 + +while [ $msix -lt 2049 ] +do + pcitest -x $msix + msix=`expr $msix + 1` +done +echo + echo "Read Tests" echo +rmmod pci_endpoint_test +sleep 2 +modprobe pci_endpoint_test irq_type=1 + pcitest -r -s 1 pcitest -r -s 1024 pcitest -r -s 1025 -- 2.7.4