linux-kernel - RE: [PATCH 06/10] misc: pci_endpoint

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Message-ID: <SN6PR07MB45124A237879C78453495C50D8820@SN6PR07MB4512.namprd07.prod.outlook.com>
Date:   Mon, 30 Apr 2018 15:35:21 +0000
From:   Alan Douglas <adouglas@...ence.com>
To:     Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "Joao.Pinto@...opsys.com" <Joao.Pinto@...opsys.com>,
        "jingoohan1@...il.com" <jingoohan1@...il.com>,
        "kishon@...com" <kishon@...com>,
        "jesper.nilsson@...s.com" <jesper.nilsson@...s.com>
CC:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 06/10] misc: pci_endpoint_test: Add MSI-X support

Hi Gustavo,

On April 27, 2018, 4:57 p.m. Gustavo Pimentel wrote:
> Add MSI-X support and update driver documentation accordingly.
> 
> Add new driver parameter to allow interruption type selection.
> 
> Modify the Legacy/MSI/MSI-X test process, by:
>  - Add and use a specific register located in a BAR, which defines the interrupt
> type is been triggered.
>  - Move the interrupt ID number from the command section to a register
> located in a BAR.
> 
> Signed-off-by: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
> ---
>  Documentation/misc-devices/pci-endpoint-test.txt |   3 +
>  drivers/misc/pci_endpoint_test.c                 | 121 +++++++++++++++--------
>  drivers/pci/endpoint/functions/pci-epf-test.c    |  78 +++++++++++----
>  3 files changed, 143 insertions(+), 59 deletions(-)
> 
In testing these changes  I found that pci_epc_raise_irq() also needs to be
updated in pci-epc-core.c, since it has interrupt_num parameter as u8

Thanks,
Alan