Adding new version of linker and driver to SLASH

.gitignore

@@ -55,3 +55,4 @@ Thumbs.db
 !build_all.sh
 
 .clang-format
+.cache

deploy/base_pdi/tcl/export_noc.tcl

@@ -1,4 +1,4 @@
-deploy/base_pdi/build.py# ##################################################################################################
+# ##################################################################################################
 #  The MIT License (MIT)
 #  Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
 # 
@@ -22,6 +22,5 @@ set build_dir "build"
 open_project $build_dir/prj.xpr
 open_run synth_1
 set_property lock true [get_noc_net_routes -of [get_noc_logical_paths -filter {initial_boot == 1}]]
-set_property lock true [get_noc_net_routes -of [get_noc_logical_paths -of [get_noc_logical_instances *n?u128*]]]
 write_noc_solution -file noc_sol.ncr
 exit

deploy/package/package.py

@@ -244,8 +244,9 @@ def write_debian_scripts(debian_dir):
 fi
 for dev in /dev/pcie_hotplug*; do
   if [ -e "$dev" ]; then
-    chmod 666 "$dev" || true
-    chown root:users "$dev" || true
+    chmod 666 "$dev" || echo "Warning: Failed to set permissions for $dev"
+    chown root:users "$dev" || echo "Warning: Failed to change owner for $dev"
+    echo "Set permissions for $dev"
   fi
 done
 EOF

driver/.gitignore

@@ -0,0 +1,10 @@
+# Kernel module build artifacts
+*.o
+*.ko
+*.mod
+*.mod.c
+*.mod.o
+*.cmd
+Module.symvers
+modules.order
+compile_commands_driver.json

driver/Makefile

@@ -0,0 +1,82 @@
+#/**
+# * Copyright (C) 2025 Advanced Micro Devices, Inc. All rights reserved.
+# * This program is free software; you can redistribute it and/or modify it under the terms of the
+# * GNU General Public License as published by the Free Software Foundation; version 2.
+# *
+# * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+# * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# * General Public License for more details.
+# *
+# * You should have received a copy of the GNU General Public License along with this program; if
+# * not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# * 02110-1301, USA.
+# */
+
+
+MODULE      := slash
+
+KDIR        ?= /lib/modules/$(shell uname -r)/build
+PWD         := $(shell pwd)
+
+QDMA_DRV_ROOT := ../submodules/qdma_drv/QDMA/linux-kernel/driver
+
+obj-m          := $(MODULE).o
+$(MODULE)-objs := $(MODULE)_main.o $(MODULE)_ctldev.o $(MODULE)_pcie.o $(MODULE)_dmabuf.o $(MODULE)_hotplug.o $(MODULE)_qdma.o
+ccflags-y += \
+	-I$(src)/libslash/include \
+	-I$(src)/libslash/include/slash/uapi \
+	-I$(src)/$(QDMA_DRV_ROOT)/libqdma \
+	-I$(src)/$(QDMA_DRV_ROOT)/libqdma/qdma_access \
+	-I$(src)/$(QDMA_DRV_ROOT)/libqdma/qdma_access/eqdma_cpm5_access \
+	-I$(src)/$(QDMA_DRV_ROOT)/libqdma/qdma_access/eqdma_soft_access \
+	-I$(src)/$(QDMA_DRV_ROOT)/libqdma/qdma_access/qdma_cpm4_access \
+	-I$(src)/$(QDMA_DRV_ROOT)/libqdma/qdma_access/qdma_soft_access
+
+
+LIBQDMA_OBJS := \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_mbox.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_intr.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_st_c2h.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_thread.o \
+	$(QDMA_DRV_ROOT)/libqdma/libqdma_export.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_context.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_sriov.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_platform.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_descq.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_regs.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_debugfs.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_debugfs_dev.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_debugfs_queue.o \
+	$(QDMA_DRV_ROOT)/libqdma/libqdma_config.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_device.o \
+	$(QDMA_DRV_ROOT)/libqdma/xdev.o \
+	$(QDMA_DRV_ROOT)/libqdma/thread.o
+
+QDMA_ACCESS_OBJS := \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/qdma_mbox_protocol.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/qdma_list.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/qdma_access_common.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/qdma_resource_mgmt.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/qdma_cpm4_access/qdma_cpm4_access.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/qdma_cpm4_access/qdma_cpm4_reg_dump.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/qdma_soft_access/qdma_soft_access.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/eqdma_soft_access/eqdma_soft_access.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/eqdma_soft_access/eqdma_soft_reg_dump.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/eqdma_cpm5_access/eqdma_cpm5_access.o \
+	$(QDMA_DRV_ROOT)/libqdma/qdma_access/eqdma_cpm5_access/eqdma_cpm5_reg_dump.o
+
+$(MODULE)-objs += $(LIBQDMA_OBJS) $(QDMA_ACCESS_OBJS)
+
+
+all:
+	$(MAKE) -C $(KDIR) M=$(PWD) modules
+
+clean:
+	$(MAKE) -C $(KDIR) M=$(PWD) clean
+
+install: all
+	sudo install -d -m 755 /lib/modules/$(shell uname -r)/extra
+	sudo install -m 644 $(MODULE).ko /lib/modules/$(shell uname -r)/extra
+	sudo depmod -a
+
+.PHONY: all clean install

driver/libslash/CMakeLists.txt

@@ -0,0 +1,99 @@
+# ##################################################################################################
+#  The MIT License (MIT)
+#  Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+# 
+#  Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+#  and associated documentation files (the "Software"), to deal in the Software without restriction,
+#  including without limitation the rights to use, copy, modify, merge, publish, distribute,
+#  sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+#  furnished to do so, subject to the following conditions:
+# 
+#  The above copyright notice and this permission notice shall be included in all copies or
+#  substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+# ##################################################################################################
+
+cmake_minimum_required(VERSION 3.16)
+
+project(libslash
+  VERSION 0.1.0
+  LANGUAGES C
+)
+
+# Allow user to choose shared vs static (standard CMake variable)
+option(BUILD_SHARED_LIBS "Build shared libraries" ON)
+# Optionally build examples
+option(SLASH_BUILD_EXAMPLES "Build example executables" ON)
+
+include(CTest)
+option(SLASH_BUILD_TESTS "Build libslash unit tests" ON)
+
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
+
+add_subdirectory(src)
+if(SLASH_BUILD_EXAMPLES)
+  add_subdirectory(examples)
+endif()
+if(BUILD_TESTING AND SLASH_BUILD_TESTS)
+  add_subdirectory(tests)
+endif()
+
+# -------- Installation: headers and library --------
+# Public headers are under include/  (layout: include/slash/*.h)
+install(
+  DIRECTORY "${PROJECT_SOURCE_DIR}/include/"
+  DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+)
+
+install(
+  TARGETS slash
+  EXPORT  slashTargets
+  ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+  LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+  RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+  INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+)
+
+# -------- CMake package configuration --------
+# Generate the version file
+write_basic_package_version_file(
+  "${CMAKE_CURRENT_BINARY_DIR}/slashConfigVersion.cmake"
+  VERSION       ${PROJECT_VERSION}
+  COMPATIBILITY SameMinorVersion
+)
+
+# Configure the main package config from template
+configure_package_config_file(
+  "${PROJECT_SOURCE_DIR}/cmake/slashConfig.cmake.in"
+  "${CMAKE_CURRENT_BINARY_DIR}/slashConfig.cmake"
+  INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/slash"
+)
+
+# Export targets for *install* tree
+install(
+  EXPORT slashTargets
+  NAMESPACE slash::
+  FILE slashTargets.cmake
+  DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/slash"
+)
+
+# Install the config + version files
+install(
+  FILES
+    "${CMAKE_CURRENT_BINARY_DIR}/slashConfig.cmake"
+    "${CMAKE_CURRENT_BINARY_DIR}/slashConfigVersion.cmake"
+  DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/slash"
+)
+
+# Export targets for *build* tree so a project can use this directory directly
+export(
+  EXPORT slashTargets
+  NAMESPACE slash::
+  FILE "${CMAKE_CURRENT_BINARY_DIR}/slashTargets.cmake"
+)

driver/libslash/cmake/slashConfig.cmake.in

@@ -0,0 +1,26 @@
+# ##################################################################################################
+#  The MIT License (MIT)
+#  Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+# 
+#  Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+#  and associated documentation files (the "Software"), to deal in the Software without restriction,
+#  including without limitation the rights to use, copy, modify, merge, publish, distribute,
+#  sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+#  furnished to do so, subject to the following conditions:
+# 
+#  The above copyright notice and this permission notice shall be included in all copies or
+#  substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+# ##################################################################################################
+
+@PACKAGE_INIT@
+
+# If you have dependencies, call find_dependency() here.
+# e.g.: find_dependency(Threads)
+
+include("${CMAKE_CURRENT_LIST_DIR}/slashTargets.cmake")

driver/libslash/examples/01_bar/CMakeLists.txt

@@ -0,0 +1,22 @@
+# ##################################################################################################
+#  The MIT License (MIT)
+#  Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+# 
+#  Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+#  and associated documentation files (the "Software"), to deal in the Software without restriction,
+#  including without limitation the rights to use, copy, modify, merge, publish, distribute,
+#  sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+#  furnished to do so, subject to the following conditions:
+# 
+#  The above copyright notice and this permission notice shall be included in all copies or
+#  substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+# ##################################################################################################
+
+add_executable(print_bar ${CMAKE_CURRENT_SOURCE_DIR}/print_bar.c)
+target_link_libraries(print_bar PRIVATE slash::slash)

driver/libslash/examples/01_bar/print_bar.c

@@ -0,0 +1,74 @@
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdint.h>
+
+#include <slash/ctldev.h>
+
+int main()
+{
+    struct slash_ioctl_bar_info *bar_info;
+    struct slash_bar_file *bar_file;
+    struct slash_ctldev *ctldev;
+
+    ctldev = slash_ctldev_open("/dev/slash_ctl0");
+    if (ctldev == NULL) {
+        perror("1");
+        return 1;
+    }
+
+    for (int i = 0; i < 6; i++) {
+        bar_info = slash_bar_info_read(ctldev, i);
+        if (bar_info == NULL) {
+            perror("2");
+            continue;
+        } else {
+            printf("BAR Info:\n");
+            printf("  bar_number: %d\n", bar_info->bar_number);
+            printf("  usable: %s\n", bar_info->usable ? "true" : "false");
+            printf("  in_use: %s\n", bar_info->in_use ? "true" : "false");
+            printf("  start_address: 0x%llx\n", bar_info->start_address);
+            printf("  length: 0x%llx\n", bar_info->length);
+
+            if (bar_info->usable) {
+                volatile uint32_t *p;
+                uint32_t val;
+
+                bar_file = slash_bar_file_open(ctldev, i, O_CLOEXEC);
+                if (bar_file == NULL) {
+                    perror("3");
+                    continue;
+                }
+
+                p = bar_file->map;
+
+                slash_bar_file_start_write(bar_file);
+
+                p[0] = 1;
+
+                slash_bar_file_end_write(bar_file);
+
+                slash_bar_file_start_read(bar_file);
+
+                val = p[0];
+
+                slash_bar_file_end_read(bar_file);
+
+                printf("BAR%d: wrote 1 read back %u\n", i, val);
+
+                if (slash_bar_file_close(bar_file) != 0) {
+                    perror("4");
+                }
+            }
+
+            slash_bar_info_free(bar_info);
+        }
+    }
+
+    if (slash_ctldev_close(ctldev) != 0) {
+        perror("5");
+        return 1;
+    }
+    return 0;
+}

driver/libslash/examples/02_test/CMakeLists.txt

@@ -0,0 +1,22 @@
+# ##################################################################################################
+#  The MIT License (MIT)
+#  Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+# 
+#  Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+#  and associated documentation files (the "Software"), to deal in the Software without restriction,
+#  including without limitation the rights to use, copy, modify, merge, publish, distribute,
+#  sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+#  furnished to do so, subject to the following conditions:
+# 
+#  The above copyright notice and this permission notice shall be included in all copies or
+#  substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+# ##################################################################################################
+
+add_executable(some_tb ${CMAKE_CURRENT_SOURCE_DIR}/some_tb.c)
+target_link_libraries(some_tb PRIVATE slash::slash)