RE: [PATCH 06/10] misc: pci_endpoint_test: Add MSI-X support

From: Alan Douglas
Date: Mon Apr 30 2018 - 11:35:31 EST


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@xxxxxxxxxxxx>
> ---
> 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