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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
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14 years ago

Hi

In your case , the LATTICE_pci_intr_handler function will handle the MSI irq.

int irq - the number of MSI irq, which you received.

If you want to use 8 MSI, this code is probably correct.

if 8 MSI-X, you need to request_irq on every interrupt line.

Regards,

Igor