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authorKishon Vijay Abraham I <kishon@ti.com>2020-03-17 15:31:56 +0530
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2020-04-02 17:57:10 +0100
commit74d60b28d5bf1a12abe22d8d88240a4c5d1e3315 (patch)
tree7373080d44392820b0c8f2fc2a224d7372bd8e6e /tools/pci
parent475007f9cef0ef88ea9263529ad93a16849c49e8 (diff)
downloadlinux-74d60b28d5bf1a12abe22d8d88240a4c5d1e3315.tar.bz2
tools: PCI: Add 'e' to clear IRQ
Add a new command line option 'e' to invoke "PCITEST_CLEAR_IRQ" ioctl. This can be used to clear the irqs set using the 'i' option. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'tools/pci')
-rw-r--r--tools/pci/pcitest.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
index 5e3b6368c5e0..0a1344c45213 100644
--- a/tools/pci/pcitest.c
+++ b/tools/pci/pcitest.c
@@ -30,6 +30,7 @@ struct pci_test {
int irqtype;
bool set_irqtype;
bool get_irqtype;
+ bool clear_irq;
bool read;
bool write;
bool copy;
@@ -76,6 +77,15 @@ static int run_test(struct pci_test *test)
fprintf(stdout, "%s\n", irq[ret]);
}
+ if (test->clear_irq) {
+ ret = ioctl(fd, PCITEST_CLEAR_IRQ);
+ fprintf(stdout, "CLEAR IRQ:\t\t");
+ if (ret < 0)
+ fprintf(stdout, "FAILED\n");
+ else
+ fprintf(stdout, "%s\n", result[ret]);
+ }
+
if (test->legacyirq) {
ret = ioctl(fd, PCITEST_LEGACY_IRQ, 0);
fprintf(stdout, "LEGACY IRQ:\t");
@@ -164,7 +174,7 @@ 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:dIlhrwcs:")) != EOF)
+ while ((c = getopt(argc, argv, "D:b:m:x:i:deIlhrwcs:")) != EOF)
switch (c) {
case 'D':
test->device = optarg;
@@ -205,6 +215,9 @@ int main(int argc, char **argv)
case 'c':
test->copy = true;
continue;
+ case 'e':
+ test->clear_irq = true;
+ continue;
case 's':
test->size = strtoul(optarg, NULL, 0);
continue;
@@ -222,6 +235,7 @@ usage:
"\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-e Clear IRQ\n"
"\t-I Get current IRQ type configured\n"
"\t-d Use DMA\n"
"\t-l Legacy IRQ test\n"