pci e - Need help for pci/pcie driver configuration for interrupt -


hi writing driver openserver-6 sco operating system serial pci/pcie cards using ddi8 mp interface. facing problem while getting interrupt on pcie cards.though driver working on pci cards.is there different configuration required pcie cards?

pcie has 2 different mechanisms interrupt.: 1. legacy interrupts. signalled device thought intx messages. these sometime referred level-triggered interrupt virtually reproduce pci legacy 2. message signaled interrupts(msi) , extension (msi-x). signalled mwr packets @ host specific address.

you can tell mode use looking @ device configuration space. if have pciutils available on platform, lspci -vvv dump you.


Comments

Popular posts from this blog

java - WrongTypeOfReturnValue exception thrown when unit testing using mockito -

php - Magento - Deleted Base url key -

android - How to disable Button if EditText is empty ? -