Re: [PATCH v5 09/11] pci_endpoint_test: Add 2 ioctl commands

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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
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