QATlib: 26.02.0 release

Changes from 25.08.0 to 26.02.0:

 * Added support to configure EPOLL/POLL mode.
 * Added USDM APIs to enable zero-copy DMA operations using IOVA
   mapping with user-allocated memory buffers.
 * Simplified file license headers to use SPDX identifiers and
   only BSD3.
 * Removed unnecessary Dual GPLv2/BSD3 license headers.
 * Aligned with CPA API v5.08.
 * Bug Fixes. (See Resolved section in README.md)

Signed-off-by: Srikanth Thokala <srikanth.thokala@intel.com>

Author: srikuIntel

.gitignore

@@ -20,6 +20,7 @@
 **/.deps
 **/.dirstamp
 /quickassist/utilities/service/qat.service
+/quickassist/utilities/service/99-qat-vfio.rules
 /stamp-h1
 /.libs
 *.la

INSTALL

@@ -40,7 +40,6 @@ This package also links against files with the following licenses:
 
 For BSD-3-Clause license, please see the file LICENSE contained in the top
 level folder.
-For Dual BSD/GPLv2 please see the file headers of the relevant files.
 
 ===============================================================================
 
@@ -561,6 +560,9 @@ Compilation and installation - detailed instructions
 
         RUNNING IN A VIRTUAL MACHINE / GUEST
 
+        For virtualization setup please refer to the following link:
+        https://intel.github.io/quickassist/qatlib/running_in_vm.html
+
         When passing VFs to a guest, the BDFs on the guest should facilitate qatlib
         recognizing whether VFs are from the same PF or not.
         So the libvirt XML file should specify that VFs from the same host
@@ -600,8 +602,25 @@ Compilation and installation - detailed instructions
             fi
 
             group=${vfio_group##*/}
+
+            # Skip the new 'devices' folder in kernel 6.14+
+            if [ "$group" = "devices" ]; then
+                continue
+            fi
+
+            # Check if the group is numeric (additional safety check)
+            if ! [[ "$group" =~ ^[0-9]+$ ]]; then
+                continue
+            fi
+
             # assume one bdf per iommu group
             bdf=$(ls /sys/kernel/iommu_groups/$group/devices/)
+
+            # Check if bdf was found
+            if [ -z "$bdf" ]; then
+                continue
+            fi
+
             vendor=$(cat /sys/kernel/iommu_groups/$group/devices/$bdf/vendor)
             node=$(cat /sys/kernel/iommu_groups/$group/devices/$bdf/numa_node)
             did=$(cat /sys/kernel/iommu_groups/$group/devices/$bdf/device)
@@ -890,7 +909,7 @@ not intended for use in medical, life saving, life sustaining, critical control
 Intel may make changes to specifications and product descriptions at any time,
 without notice.
 
-(C) Intel Corporation 2022
+(C) Intel Corporation 2026
 
 * Other names and brands may be claimed as the property of others.
 

LICENSE

@@ -1,6 +1,6 @@
   BSD-3-Clause
 
-  Copyright(c) 2007-2025 Intel Corporation.
+  Copyright(c) 2007-2026 Intel Corporation.
   All rights reserved.
 
   Redistribution and use in source and binary forms, with or without

Makefile.am

@@ -1,7 +1,7 @@
 ################################################################
 #   BSD LICENSE
 # 
-#   Copyright(c) 2007-2022 Intel Corporation. All rights reserved.
+#   Copyright(c) 2007-2026 Intel Corporation. All rights reserved.
 #   All rights reserved.
 # 
 #   Redistribution and use in source and binary forms, with or without
@@ -30,6 +30,8 @@
 #   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 #   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 # 
+#   These contents may have been developed with support from one or more
+#   Intel-operated generative artificial intelligence solutions.
 ################################################################
 
 ACLOCAL_AMFLAGS = -Im4
@@ -216,6 +218,7 @@ lib@LIBQATNAME@_la_SOURCES = \
 	quickassist/lookaside/access_layer/src/common/ctrl/sal_list.c \
 	quickassist/lookaside/access_layer/src/common/ctrl/sal_rl_stubs.c \
 	quickassist/lookaside/access_layer/src/common/ctrl/sal_crypto.c \
+	quickassist/lookaside/access_layer/src/common/ctrl/sal_resp_type.c \
 	quickassist/lookaside/access_layer/src/common/ctrl/sal_dc_chain.c \
 	quickassist/lookaside/access_layer/src/common/ctrl/sal_instances.c \
 	quickassist/lookaside/access_layer/src/common/qat_comms/sal_qat_cmn_msg.c \
@@ -311,13 +314,20 @@ endif
 systemd_scriptsdir = $(sbindir)
 dist_systemd_scripts_SCRIPTS = quickassist/utilities/service/qat_init.sh
 
+# Udev rules and helper script for QAT VF vfio permission setting
+# Directory supplied via --with-udevrulesdir (configure) -> @UDEVRULESDIR@
+udevrulesdir = @UDEVRULESDIR@
+udevrules_DATA = quickassist/utilities/service/99-qat-vfio.rules
+
 install-data-hook:
 if SERVICE_AC
 	@if [ "$(shell id -u)" == 0 ]; then \
 		/usr/sbin/groupadd qat 2> /dev/null || :; \
 		systemctl daemon-reload; \
 		systemctl start qat; \
 		systemctl enable qat; \
+		udevadm control --reload; \
+		udevadm trigger; \
 	fi
 endif
 
@@ -328,6 +338,8 @@ if SERVICE_AC
 		pidof qatmgr > /dev/null && kill `pidof qatmgr`; \
 		rm -rf /run/qat; \
 		systemctl disable qat; \
+		rm -f $(udevrulesdir)/99-qat-vfio.rules; \
+		udevadm control --reload; \
 	fi
 endif
 
@@ -337,6 +349,7 @@ EXTRA_DIST = INSTALL README.md SECURITY.md LICENSE \
 	filelist \
 	versionfile \
 	autogen.sh \
+	qatlib.sysusers.conf \
 	quickassist/lookaside/firmware/include \
 	quickassist/include \
 	quickassist/lookaside/access_layer/src/common \
@@ -346,6 +359,7 @@ EXTRA_DIST = INSTALL README.md SECURITY.md LICENSE \
 	quickassist/utilities/libusdm_drv/include \
 	quickassist/utilities/libusdm_drv/user_space \
 	quickassist/utilities/service/qat \
+	quickassist/utilities/service/99-qat-vfio.rules.in \
 	quickassist/lookaside/access_layer/src/sample_code
 
 DISTCHECK_CONFIGURE_FLAGS = \