On Thursday 21 June 2018 09:31 PM, Gustavo Pimentel wrote:
> Add MSI-X support to pcitest tool.
>
> Modify pcitest.sh script to accommodate MSI-X interrupt tests.
>
> Signed-off-by: Gustavo Pimentel <gustavo.pimentel@xxxxxxxxxxxx>
Acked-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> ---
> Change v1->v2:
> - Allow IRQ type driver reconfiguring in runtime, follwing Kishon's
> suggestion.
> Change v2->v3:
> - Nothing changed, just to follow the patch set version.
> Change v3->v4:
> - Rebased to Lorenzo's master branch v4.18-rc1.
> Change v4->v5:
> - Nothing changed, just to follow the patch set version.
> Change v5->v6:
> - Moved PCITEST_MSIX ioctl entry to patch #8.
> - Moved PCITEST_SET_IRQTYPE and PCITEST_GET_IRQTYPE ioctl entries
> to patch #9.
>
> tools/pci/pcitest.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++-
> tools/pci/pcitest.sh | 15 +++++++++++++++
> 2 files changed, 65 insertions(+), 1 deletion(-)
>
> diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
> index 9074b47..af146bb 100644
> --- a/tools/pci/pcitest.c
> +++ b/tools/pci/pcitest.c
> @@ -31,12 +31,17 @@
> #define BILLION 1E9
>
> static char *result[] = { "NOT OKAY", "OKAY" };
> +static char *irq[] = { "LEGACY", "MSI", "MSI-X" };
>
> struct pci_test {
> char *device;
> char barnum;
> bool legacyirq;
> unsigned int msinum;
> + unsigned int msixnum;
> + int irqtype;
> + bool set_irqtype;
> + bool get_irqtype;
> bool read;
> bool write;
> bool copy;
> @@ -65,6 +70,24 @@ static int run_test(struct pci_test *test)
> fprintf(stdout, "%s\n", result[ret]);
> }
>
> + if (test->set_irqtype) {
> + ret = ioctl(fd, PCITEST_SET_IRQTYPE, test->irqtype);
> + fprintf(stdout, "SET IRQ TYPE TO %s:\t\t", irq[test->irqtype]);
> + if (ret < 0)
> + fprintf(stdout, "FAILED\n");
> + else
> + fprintf(stdout, "%s\n", result[ret]);
> + }
> +
> + if (test->get_irqtype) {
> + ret = ioctl(fd, PCITEST_GET_IRQTYPE);
> + fprintf(stdout, "GET IRQ TYPE:\t\t");
> + if (ret < 0)
> + fprintf(stdout, "FAILED\n");
> + else
> + fprintf(stdout, "%s\n", irq[ret]);
> + }
> +
> if (test->legacyirq) {
> ret = ioctl(fd, PCITEST_LEGACY_IRQ, 0);
> fprintf(stdout, "LEGACY IRQ:\t");
> @@ -83,6 +106,15 @@ 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 +165,7 @@ 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:i:Ilrwcs:")) != EOF)
> switch (c) {
> case 'D':
> test->device = optarg;
> @@ -151,6 +183,20 @@ 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 'i':
> + test->irqtype = atoi(optarg);
> + if (test->irqtype < 0 || test->irqtype > 2)
> + goto usage;
> + test->set_irqtype = true;
> + continue;
> + case 'I':
> + test->get_irqtype = true;
> + continue;
> case 'r':
> test->read = true;
> continue;
> @@ -173,6 +219,9 @@ int main(int argc, char **argv)
> "\t-D <dev> PCI endpoint test device {default: /dev/pci-endpoint-test.0}\n"
> "\t-b <bar num> BAR test (bar number between 0..5)\n"
> "\t-m <msi num> MSI test (msi number between 1..32)\n"
> + "\t-x <msix num> \tMSI-X test (msix number between 1..2048)\n"
> + "\t-i <irq type> \tSet IRQ type (0 - Legacy, 1 - MSI, 2 - MSI-X)\n"
> + "\t-I Get current IRQ type configured\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..75ed48f 100644
> --- a/tools/pci/pcitest.sh
> +++ b/tools/pci/pcitest.sh
> @@ -16,7 +16,10 @@ echo
> echo "Interrupt tests"
> echo
>
> +pcitest -i 0
> pcitest -l
> +
> +pcitest -i 1
> msi=1
>
> while [ $msi -lt 33 ]
> @@ -26,9 +29,21 @@ do
> done
> echo
>
> +pcitest -i 2
> +msix=1
> +
> +while [ $msix -lt 2049 ]
> +do
> + pcitest -x $msix
> + msix=`expr $msix + 1`
> +done
> +echo
> +
> echo "Read Tests"
> echo
>
> +pcitest -i 1
> +
> pcitest -r -s 1
> pcitest -r -s 1024
> pcitest -r -s 1025
>
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