Do I need a driver to remotely access I2C device on PCIe card?

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Email bounced, so I'm posting again....

Hi,

I'm positing this after spending a lot of time googling for a solution and coming up with zilch.

I have a NVMe SSD PCIe card with an I2C chip on it. I want to read/write to this I2C chip from a remote machine using IPMI (ability to read/write to it locally would be an added bonus but not required).

When I try to access my card remotely using IPMI (MasterWriteRead) or locally using i2cdetect, I find that SMCLK/SMDAT signals are not generated on these two PCIe pins. For local access, i2c-dev driver is already loaded.

Do I need a linux driver for my card for remote access via IPMI? Are there are any sample drives I can use as a template?

I was under the impression that since I2C is a bus, the BMC on the motherboard would talk directly to my I2C device without the need for a driver.

TIA
Nisha Miller
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