by support »
Hello,
The most common reason that a CPU would initiate a PCIe write transaction to a peripheral is a memory write operation to a memory segment that is mapped to the PCIe device. Something like *p = data in C, but it's usually done with writel() and similar helper functions in Linux.
Regards,
Eli
Hello,
The most common reason that a CPU would initiate a PCIe write transaction to a peripheral is a memory write operation to a memory segment that is mapped to the PCIe device. Something like *p = data in C, but it's usually done with writel() and similar helper functions in Linux.
Regards,
Eli