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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

pci_enable_msi (struct pci_dev * dev);

pci_enable_msi_block (struct pci_dev * dev, unsigned int nvec); (On x86 arch patch is needed).

If H/W is capable, use MSI-X interrupts instead MSI.

Regards,

Igor