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Message-Id: <20241031-ep-msi-v4-5-717da2d99b28@nxp.com>
Date: Thu, 31 Oct 2024 12:27:04 -0400
From: Frank Li <Frank.Li@....com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Krzysztof WilczyĆski <kw@...ux.com>,
Kishon Vijay Abraham I <kishon@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>, Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
imx@...ts.linux.dev, Niklas Cassel <cassel@...nel.org>, dlemoal@...nel.org,
maz@...nel.org, tglx@...utronix.de, jdmason@...zu.us,
Frank Li <Frank.Li@....com>
Subject: [PATCH v4 5/5] tools: PCI: Add 'B' option for test doorbell
Add doorbell test support.
Signed-off-by: Frank Li <Frank.Li@....com>
---
Change from v3 to v4
- none
---
tools/pci/pcitest.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
index 470258009ddc2..bbe26ebbfd945 100644
--- a/tools/pci/pcitest.c
+++ b/tools/pci/pcitest.c
@@ -34,6 +34,7 @@ struct pci_test {
bool copy;
unsigned long size;
bool use_dma;
+ bool doorbell;
};
static int run_test(struct pci_test *test)
@@ -147,6 +148,15 @@ static int run_test(struct pci_test *test)
fprintf(stdout, "%s\n", result[ret]);
}
+ if (test->doorbell) {
+ ret = ioctl(fd, PCITEST_DOORBELL, 0);
+ fprintf(stdout, "Ringing doorbell on the EP\t\t");
+ if (ret < 0)
+ fprintf(stdout, "TEST FAILED\n");
+ else
+ fprintf(stdout, "%s\n", result[ret]);
+ }
+
fflush(stdout);
close(fd);
return (ret < 0) ? ret : 1 - ret; /* return 0 if test succeeded */
@@ -172,7 +182,7 @@ 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:x:i:deIlhrwcs:")) != EOF)
+ while ((c = getopt(argc, argv, "D:b:m:x:i:BdeIlhrwcs:")) != EOF)
switch (c) {
case 'D':
test->device = optarg;
@@ -222,6 +232,9 @@ int main(int argc, char **argv)
case 'd':
test->use_dma = true;
continue;
+ case 'B':
+ test->doorbell = true;
+ continue;
case 'h':
default:
usage:
@@ -241,6 +254,7 @@ int main(int argc, char **argv)
"\t-w Write buffer test\n"
"\t-c Copy buffer test\n"
"\t-s <size> Size of buffer {default: 100KB}\n"
+ "\t-B Doorbell test\n"
"\t-h Print this help message\n",
argv[0]);
return -EINVAL;
--
2.34.1
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