On 06/20/2018 09:28 AM, Gustavo Pimentel wrote: > Add MSI-X support and update driver documentation accordingly. > > Add 2 new IOCTL commands: > - Allow to reconfigure driver IRQ type in runtime. > - Allow to retrieve current driver IRQ type configured. > > Signed-off-by: Gustavo Pimentel <gustavo.pimentel@xxxxxxxxxxxx> > --- > Change v2->v3: | -------------------------------------------------------------------------------------------- > - New patch file created base on the previous patch | -------------------------------------------------------------------------------------------- > "misc: pci_endpoint_test: Add MSI-X support" patch file following | -------------------------------------------------------------------------------------------- > Kishon's suggestion. | -------------------------------------------------------------------------------------------- > Change v3->v4: | -------------------------------------------------------------------------------------------- > - Rebased to Lorenzo's master branch v4.18-rc1. > Change v4->v5: > - Nothing changed, just to follow the patch set version. > > Documentation/misc-devices/pci-endpoint-test.txt | 3 + > drivers/misc/pci_endpoint_test.c | 177 +++++++++++++++++------ > 2 files changed, 132 insertions(+), 48 deletions(-) > > diff --git a/Documentation/misc-devices/pci-endpoint-test.txt b/Documentation/misc-devices/pci-endpoint-test.txt > index fdfa0f6..58ccca4 100644 > --- a/Documentation/misc-devices/pci-endpoint-test.txt > +++ b/Documentation/misc-devices/pci-endpoint-test.txt > @@ -28,6 +28,9 @@ ioctl > to be tested should be passed as argument. > PCITEST_MSIX: Tests message signalled interrupts. The MSI-X number > to be tested should be passed as argument. > + PCITEST_SET_IRQTYPE: Changes driver IRQ type configuration. The IRQ type > + should be passed as argument (0: Legacy, 1:MSI, 2:MSI-X). > + PCITEST_GET_IRQTYPE: Gets driver IRQ type configuration. > PCITEST_WRITE: Perform write tests. The size of the buffer should be passed > as argument. > PCITEST_READ: Perform read tests. The size of the buffer should be passed > diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c > index 2b58887..82fa0c2 100644 > --- a/drivers/misc/pci_endpoint_test.c > +++ b/drivers/misc/pci_endpoint_test.c Hi, The ioctl "type" (as "type" is used in <uapi/asm-generic/ioctl.h>), value of 'P' in this case, should be documented in Documentation/ioctl/ioctl-number.txt. thanks, -- ~Randy
