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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
Icon for Honored Contributor rankHonored Contributor
14 years ago

1. pci_enable_msi_block(). Will return irq numbers.

2. request_irq . Pass irq numbers, which returned by pci_enable_msi_block().

3. Check your interrupts . cat /proc/interrupts.

In your irq handler , printk irq number, which you receive.

Regards,

Igor