lkml.org 
[lkml]   [2020]   [Mar]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 2/5] misc: pci_endpoint_test: Add ioctl to clear IRQ
Date
Add ioctl to clear IRQ which can be used to free the allocated
IRQ vectors and free the requested IRQ.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
drivers/misc/pci_endpoint_test.c | 10 ++++++++++
include/uapi/linux/pcitest.h | 1 +
2 files changed, 11 insertions(+)

diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index ca680635d7a9..bb8b94ac8d3b 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -652,6 +652,13 @@ static bool pci_endpoint_test_read(struct pci_endpoint_test *test,
return ret;
}

+static bool pci_endpoint_test_clear_irq(struct pci_endpoint_test *test)
+{
+ pci_endpoint_test_release_irq(test);
+ pci_endpoint_test_free_irq_vectors(test);
+ return true;
+}
+
static bool pci_endpoint_test_set_irq(struct pci_endpoint_test *test,
int req_irq_type)
{
@@ -722,6 +729,9 @@ static long pci_endpoint_test_ioctl(struct file *file, unsigned int cmd,
case PCITEST_GET_IRQTYPE:
ret = irq_type;
break;
+ case PCITEST_CLEAR_IRQ:
+ ret = pci_endpoint_test_clear_irq(test);
+ break;
}

ret:
diff --git a/include/uapi/linux/pcitest.h b/include/uapi/linux/pcitest.h
index 8b868761f8b4..c3ab4c826297 100644
--- a/include/uapi/linux/pcitest.h
+++ b/include/uapi/linux/pcitest.h
@@ -19,6 +19,7 @@
#define PCITEST_MSIX _IOW('P', 0x7, int)
#define PCITEST_SET_IRQTYPE _IOW('P', 0x8, int)
#define PCITEST_GET_IRQTYPE _IO('P', 0x9)
+#define PCITEST_CLEAR_IRQ _IO('P', 0x10)

#define PCITEST_FLAGS_USE_DMA 0x00000001

--
2.17.1
\
 
 \ /
  Last update: 2020-03-17 10:59    [W:0.063 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site