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Altera_Forum's avatar
Altera_Forum
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15 years ago

How to request multiply MSI interrupts?

Hi !!! Developing a network device driver on Arria2 GX (Avalon-ST). Is it possible to set a vector of 8 MSI interrupts , if the design supports only MSI interrupts, not MSI - X? From the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi,

Thank's for reply

I've missed that piece of lspci.

Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/5 Enable+

Address: 00000000fee0300c Data: 41a1

Now I am able to request multiply MSI's.

There is a kernel patch , which allow's multiply MSI's on x86 arch.