lkml.org 
[lkml]   [2018]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v9 10/12] pci_endpoint_test: Add 2 ioctl commands
From
Date
Hi Alan,

On 10/07/2018 11:10, Alan Douglas wrote:
> On 09 July 2018 18:43 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@synopsys.com>
>> ---
>> 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.
>> Change v5->v6:
>> - Moved PCITEST_SET_IRQTYPE and PCITEST_GET_IRQTYPE ioctl entries
>> from patch #10 to here.
>> - Increased ioctl parameters range associated to
>> drivers/misc/pci_endpoint_test.c driver.
>> Change v6->v7:
>> - irq_type variable update just before returning the function.
>> Change v7->v8:
>> - Re-sending the patch series.
>> Change v8->v9:
>> - Added a extra parameter to pci_endpoint_test_alloc_irq_vectors,
>> that specifies which irq type should be allocated.
>>
>> Documentation/ioctl/ioctl-number.txt | 2 +-
>> Documentation/misc-devices/pci-endpoint-test.txt | 3 +
>> drivers/misc/pci_endpoint_test.c | 176 +++++++++++++++++------
>> include/uapi/linux/pcitest.h | 2 +
>> 4 files changed, 136 insertions(+), 47 deletions(-)
>>
>> diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt
>> index 65259d4..c15c4f3 100644
>> --- a/Documentation/ioctl/ioctl-number.txt
>> +++ b/Documentation/ioctl/ioctl-number.txt
>> @@ -166,7 +166,7 @@ Code Seq#(hex) Include File Comments
>> 'P' all linux/soundcard.h conflict!
>> 'P' 60-6F sound/sscape_ioctl.h conflict!
>> 'P' 00-0F drivers/usb/class/usblp.c conflict!
>> -'P' 01-07 drivers/misc/pci_endpoint_test.c conflict!
>> +'P' 01-09 drivers/misc/pci_endpoint_test.c conflict!
>> 'Q' all linux/soundcard.h
>> 'R' 00-1F linux/random.h conflict!
>> 'R' 01 linux/rfkill.h conflict!
>> 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.
> I've tested this latest set of patches with the cadence ep driver, which
> does not yet support MSI-X, and can confirm that setting, getting and using
> legacy and MSI IRQ type IRQs is working correctly. Setting MSI-X fails, as
> expected.

Great, thanks for testing!

Regards,
Gustavo

>

\
 
 \ /
  Last update: 2018-07-10 12:38    [W:0.070 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site