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Altera_Forum
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14 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...
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Altera_Forum
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13 years ago

It seems to be disable by executing the command cat /proc/interrupts

But in the other hand my msi is enabled by the following command

lspci -d 1204:ec30 -v -xxx (see output below) ? 


# lspci -d 1204:ec30 -v -xxx 04:00.0 Non-VGA unclassified device: Lattice Semiconductor Corporation Device ec30         Subsystem: Lattice Semiconductor Corporation Device 3030         Physical Slot: 3         Flags: bus master, fast devsel, latency 0, IRQ 30         Memory at d0440000 (32-bit, non-prefetchable)          Memory at d0400000 (32-bit, non-prefetchable)          Capabilities:  Power Management version 3         Capabilities:  MSI: Enable+ Count=1/1 Maskable- 64bit+         Capabilities:  Express Endpoint, MSI 00         Capabilities:  Device Serial Number 00-00-00-00-00-00-00-00 00: 04 12 30 ec 07 04 10 00 00 00 00 00 10 00 00 00 10: 00 00 44 d0 00 00 40 d0 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 04 12 30 30 30: 00 00 00 00 50 00 00 00 00 00 00 00 07 01 00 00 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50: 01 70 03 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 05 90 81 00 0c 10 e0 fe 00 00 00 00 a9 41 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 10 00 01 00 00 80 00 00 00 00 00 00 11 74 00 00 a0: 00 00 11 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00