XDMA makefile: add option to set xdma config bar number: "make config_bar_num=<N>"

xdma: support 64bits coherent addressing

Update xdma_mod.c

Segmentation fault of XDMA tools/reg_rw.C

little bug in XDMA/tools/reg_rw.c

XDMA: reg_rw fix and MM aperture update

per Julien BERAUD, fix pci_aer name change issue in RedHat 8.3 in a more consistent coding style.

per Julien BERAUD, fix pci_aer name change issue in RedHat 8.3 in a more consistent coding style.

build on CentOS 8.3 will generate error:

XDMA/linux-kernel/xdma/xdma_mod.c:301:2: error: implicit declaration of function ??pci_cleanup_aer_uncorrect_error_status?? [-Werror=implicit-function-declaration]
  pci_cleanup_aer_uncorrect_error_status(pdev);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:316: /home/ndam/Downloads/dma_ip_drivers-master/XDMA/linux-kernel/xdma/xdma_mod.o] Error 1

The reason is, name change from pci_cleanup_aer_uncorrect_error_status() to pci_aer_clear_nonfatal_status() at https://github.com/torvalds/linux/commit/894020fdd88c1e9a74c60b67c0f19f1c7696ba2f

CentOS and RedHat 8.3 accepted the patch.

Updated the Support Link

Added support for MM channel configuration, Keyhole feature support  and addressed customer issues

MM Channel configuration
Keyhole feature support
resolve the page allocation issues

QDMA DPDK 2020.2.1 Driver Release to support DPDK v20.11 Framework Changes

2020.2 QDMA Linux Driver README File updated with proper simlink

2020.2 QDMA Linux Driver Release

2020.2 QDMA DPDK Driver Release

2020.2 QDMA Windows Driver Release

XDMA: dma_from/to_device: do NOT mark partial completion as failure. the bw is not calculated in the case of underflow (partial completion).

XDMA: 1. split module parameter sgdma_timeout to h2c_timeout & c2h_timeout. 2. value of 0 means no timeout (i.e., wait forever).

Fix warnings

2020.2 XVSEC Driver Release documentation updates pointing to https://xilinx.github.io/dma_ip_drivers/

2020.2 XVSEC Driver Release - Supports the MCAP functionality for US/US+ and Versal Devices

no need to use __init and __exit. Attributes are set by the the
module_init/module_exit macros

set name length to 16 and use snprintf

XDMA: fix build for Centos and RHEL

libxdma: fix next adjacent descriptors

Various fixes