Windows interrupt support is based on IO completion ports (IOCP).
Interrupt thread would send the devices requests to notify about
interrupts and then wait for any request completion. Add skeleton code
of this model without any hardware support.
Another way to wake up the interrupt thread is APC (asynchronous procedure
call), scheduled by any other thread via eal_intr_thread_schedule().
This internal API is intended for alarm implementation.
Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Acked-by: Narcisa Vasile <navasile@linux.microsoft.com>
Basic memory management supports core libraries and PMDs operating in
IOVA as PA mode. It uses a kernel-mode driver, virt2phys, to obtain
IOVAs of hugepages allocated from user-mode. Multi-process mode is not
implemented and is forcefully disabled at startup. Assign myself as a
maintainer for Windows file and memory management implementation.
Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
1. Map CPU cores to their respective NUMA nodes as reported by system.
2. Support systems with more than 64 cores (multiple processor groups).
3. Fix magic constants, styling issues, and compiler warnings.
4. Add EAL private function to map DPDK socket ID to NUMA node number.
Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
The goal of rte_os.h is to mitigate OS differences for EAL users.
In Windows EAL, rte_os.h did excessive things:
1. It included platform SDK headers (windows.h, etc). Those files are
huge, require specific inclusion order, and are generally unused by
the code including rte_os.h. Declarations from platform SDK may
break otherwise platform-independent code, e.g. min, max, ERROR.
2. It included pthread.h, which is clearly not always required.
3. It defined functions private to Windows EAL.
Reorganize Windows EAL includes in the following way:
1. Create rte_windows.h to properly import Windows-specific facilities.
Primary users are bus drivers, tests, and external applications.
2. Remove platform SDK includes from rte_os.h to prevent breaking
otherwise portable code by including rte_os.h on Windows.
Copy necessary definitions to avoid including those headers.
3. Remove pthread.h include from rte_os.h.
4. Move declarations private to Windows EAL into eal_windows.h.
Fixes: 428eb983f5f7 ("eal: add OS specific header file")
Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
