From 475007f9cef0ef88ea9263529ad93a16849c49e8 Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Tue, 17 Mar 2020 15:31:55 +0530 Subject: [PATCH] misc: pci_endpoint_test: Add ioctl to clear IRQ 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 Signed-off-by: Lorenzo Pieralisi --- 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 @@ err: 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 -- 2.39.5