tests: (chmem) add tests for aarch64 16K 16G memory layout

Signed-off-by: Christian Goeschel Ndjomouo <cgoesc2@wgu.edu>

diff --git a/tests/expected/chmem/aarch64_16k_16g-enable-disable-blocks b/tests/expected/chmem/aarch64_16k_16g-enable-disable-blocks
new file mode 100644 (file)
index 0000000..d6558bd
--- /dev/null
+++ b/tests/expected/chmem/aarch64_16k_16g-enable-disable-blocks
@@ -0,0 +1,2 @@
+offline
+online

diff --git a/tests/expected/chmem/aarch64_16k_16g-enable-disable-zone b/tests/expected/chmem/aarch64_16k_16g-enable-disable-zone
new file mode 100644 (file)
index 0000000..c2319f8
--- /dev/null
+++ b/tests/expected/chmem/aarch64_16k_16g-enable-disable-zone
@@ -0,0 +1,7 @@
+Memory Block 8195 (0x0000010018000000-0x000001001fffffff) disabled
+offline
+Memory Block 8195 (0x0000010018000000-0x000001001fffffff) enabled
+online_movable
+Memory Block 8195 (0x0000010018000000-0x000001001fffffff) already enabled
+
+

diff --git a/tests/expected/chmem/aarch64_16k_16g-enable-disable-zone.err b/tests/expected/chmem/aarch64_16k_16g-enable-disable-zone.err
new file mode 100644 (file)
index 0000000..86ad572
--- /dev/null
+++ b/tests/expected/chmem/aarch64_16k_16g-enable-disable-zone.err
@@ -0,0 +1 @@
+chmem: Memory Block 8195 (0x0000010018000000-0x000001001fffffff) enable failed: Zone mismatch

diff --git a/tests/ts/chmem/aarch64_16k_16g b/tests/ts/chmem/aarch64_16k_16g
new file mode 100755 (executable)
index 0000000..ad201e3
--- /dev/null
+++ b/tests/ts/chmem/aarch64_16k_16g
@@ -0,0 +1,105 @@
+#!/usr/bin/env bash
+
+# This file is part of util-linux.
+#
+# This file 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; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file 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.
+#
+# Copyright (C) 2026 Christian Goeschel Ndjomouo <cgoesc2@wgu.edu>
+
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="aarch64_16k_16g"
+
+. "$TS_TOPDIR/functions.sh"
+ts_init "$*"
+
+ts_skip_nonroot
+
+ts_check_test_command "$TS_CMD_CHMEM"
+ts_check_test_command "$TS_CMD_LSMEM"
+ts_check_prog "bzip2"
+ts_check_prog "tar"
+
+_PATH_SYS_MEM="/sys/devices/system/memory"
+
+DUMP_NAME="aarch64_16k_16g"
+DUMP_FILENAME="$TS_SELF/sysfs-dumps/$DUMP_NAME.tar.bz2"
+DUMP_DIR="$TS_OUTDIR/sysfs-dumps"
+
+mkdir -p "$DUMP_DIR"
+tar -C "$DUMP_DIR" -jxf "$DUMP_FILENAME"
+
+do_chmem() {
+        "$TS_CMD_CHMEM" --sysroot "${DUMP_DIR}/${DUMP_NAME}" "${@}" >>"$TS_OUTPUT" 2>>"$TS_ERRLOG"
+}
+
+# The tests below are primarily testing the reads and writes
+# performed by chmem(8). Whether the performed actions have an
+# effect on the memory block settings, can only be tested on a
+# running Linux system. chmem(8) simply interacts with the kernel
+# ABI through the sysfs, i.e. reads or writes to the provided interfaces.
+
+ts_init_subtest "enable-disable-blocks"
+
+do_chmem --disable --blocks 8193
+path_mem_state="${DUMP_DIR}/${DUMP_NAME}/${_PATH_SYS_MEM}/memory8193/state"
+cat "$path_mem_state" >>"$TS_OUTPUT"
+true >"$path_mem_state"
+printf "\n" >>"$TS_OUTPUT"
+
+do_chmem --enable --blocks 8193
+cat "$path_mem_state" >>"$TS_OUTPUT"
+printf "\n" >>"$TS_OUTPUT"
+
+ts_finalize_subtest
+
+
+ts_init_subtest "enable-disable-zone"
+
+# We will enable memory block 8195 (memory8195) on the Movable zone,
+# so let us make sure that it is disabled first.
+
+# In this subtest we will use a hexadecimal address range
+index="8195"
+range_str="$("$TS_CMD_LSMEM" --sysroot "${DUMP_DIR}/${DUMP_NAME}" \
+                --all --output=BLOCK,RANGE --raw 2>>"$TS_ERRLOG" \
+                | sed -n "s/\(^$index\) \(.*\)/\2/p" 2>>"$TS_ERRLOG" \
+        )"
+mem_block="memory${index}"
+
+# We need to enable the "Movable" zone on this block first
+# otherwise chmem will complain about a zone mismatch
+echo "Movable" >"${DUMP_DIR}/${DUMP_NAME}/${_PATH_SYS_MEM}/${mem_block}/valid_zones"
+
+
+do_chmem --verbose --disable "$range_str"
+path_mem_state="${DUMP_DIR}/${DUMP_NAME}/${_PATH_SYS_MEM}/${mem_block}/state"
+cat "$path_mem_state" >>"$TS_OUTPUT"
+true >"$path_mem_state"
+printf "\n" >>"$TS_OUTPUT"
+
+do_chmem --verbose --enable --zone "Movable" "$range_str"
+cat "$path_mem_state" >>"$TS_OUTPUT"
+printf "\n" >>"$TS_OUTPUT"
+
+# Should report that it is already enabled
+do_chmem --verbose --enable "$range_str"
+true >"$path_mem_state"
+printf "\n" >>"$TS_OUTPUT"
+
+# Should report a zone mismatch
+do_chmem --verbose --enable --zone "Normal" "$range_str"
+cat "$path_mem_state" >>"$TS_OUTPUT"
+printf "\n" >>"$TS_OUTPUT"
+
+ts_finalize_subtest
+
+
+ts_finalize

diff --git a/tests/ts/chmem/sysfs-dumps/aarch64_16k_16g.tar.bz2 b/tests/ts/chmem/sysfs-dumps/aarch64_16k_16g.tar.bz2
new file mode 100644 (file)
index 0000000..a5de793
Binary files /dev/null and b/tests/ts/chmem/sysfs-dumps/aarch64_16k_16g.tar.bz2 differ