Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: [PATCH v5 09/11] pci_endpoint_test: Add 2 ioctl commands
To:     Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>,
        "bhelgaas@google.com" <bhelgaas@google.com>,
        "lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
        "Joao.Pinto@synopsys.com" <Joao.Pinto@synopsys.com>,
        "jingoohan1@gmail.com" <jingoohan1@gmail.com>,
        "kishon@ti.com" <kishon@ti.com>,
        "adouglas@cadence.com" <adouglas@cadence.com>,
        "jesper.nilsson@axis.com" <jesper.nilsson@axis.com>,
        "sboyd@codeaurora.org" <sboyd@codeaurora.org>
Cc:     "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        "linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
References: <cover.1529507416.git.gustavo.pimentel@synopsys.com>
 <8695864db0191b2e85ed81e97a8990baea3468fa.1529507416.git.gustavo.pimentel@synopsys.com>
 <dd75ced1-e4c3-8c94-3bab-200e2ecdd8b8@infradead.org>
 <f16f99f4-0749-3273-7c5a-7c38503c27a9@synopsys.com>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <a9e0ae23-ee21-3b0b-d60d-650c31af1895@infradead.org>
Date:   Thu, 21 Jun 2018 09:49:02 -0700
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
 Thunderbird/52.8.0
MIME-Version: 1.0
In-Reply-To: <f16f99f4-0749-3273-7c5a-7c38503c27a9@synopsys.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 06/21/2018 03:23 AM, Gustavo Pimentel wrote:
> On 20/06/2018 19:12, Randy Dunlap wrote:
>> 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@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.
>>>
>>>  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.
> 
> Hi Randy,
> 
> I wasn't aware of this file. Adding the entry bellow would be suitable?
> 
> 'P'    01-09   drivers/misc/pci_endpoint_test.c        conflict!

Yes.  Thanks.

-- 
~Randy