e6474b1aeb
Add two more parameters to set spm_addr_dev0 & spm_addr_dev1 addresses. These two parameters configure the start SP addresses for each device in test_hmm driver. Consequently, this configures zone device type as coherent. Link: https://lkml.kernel.org/r/20220715150521.18165-13-alex.sierra@amd.com Signed-off-by: Alex Sierra <alex.sierra@amd.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Alistair Popple <apopple@nvidia.com> Cc: David Hildenbrand <david@redhat.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
116 lines
2.2 KiB
Bash
Executable File
116 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (C) 2018 Uladzislau Rezki (Sony) <urezki@gmail.com>
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#
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# This is a test script for the kernel test driver to analyse vmalloc
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# allocator. Therefore it is just a kernel module loader. You can specify
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# and pass different parameters in order to:
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# a) analyse performance of vmalloc allocations;
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# b) stressing and stability check of vmalloc subsystem.
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TEST_NAME="test_hmm"
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DRIVER="test_hmm"
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# 1 if fails
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exitcode=1
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# Kselftest framework requirement - SKIP code is 4.
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ksft_skip=4
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check_test_requirements()
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{
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uid=$(id -u)
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if [ $uid -ne 0 ]; then
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echo "$0: Must be run as root"
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exit $ksft_skip
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fi
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if ! which modprobe > /dev/null 2>&1; then
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echo "$0: You need modprobe installed"
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exit $ksft_skip
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fi
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if ! modinfo $DRIVER > /dev/null 2>&1; then
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echo "$0: You must have the following enabled in your kernel:"
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echo "CONFIG_TEST_HMM=m"
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exit $ksft_skip
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fi
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}
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load_driver()
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{
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if [ $# -eq 0 ]; then
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modprobe $DRIVER > /dev/null 2>&1
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else
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if [ $# -eq 2 ]; then
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modprobe $DRIVER spm_addr_dev0=$1 spm_addr_dev1=$2
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> /dev/null 2>&1
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else
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echo "Missing module parameters. Make sure pass"\
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"spm_addr_dev0 and spm_addr_dev1"
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usage
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fi
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fi
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if [ $? == 0 ]; then
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major=$(awk "\$2==\"HMM_DMIRROR\" {print \$1}" /proc/devices)
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mknod /dev/hmm_dmirror0 c $major 0
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mknod /dev/hmm_dmirror1 c $major 1
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if [ $# -eq 2 ]; then
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mknod /dev/hmm_dmirror2 c $major 2
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mknod /dev/hmm_dmirror3 c $major 3
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fi
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fi
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}
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unload_driver()
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{
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modprobe -r $DRIVER > /dev/null 2>&1
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rm -f /dev/hmm_dmirror?
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}
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run_smoke()
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{
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echo "Running smoke test. Note, this test provides basic coverage."
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load_driver $1 $2
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$(dirname "${BASH_SOURCE[0]}")/hmm-tests
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unload_driver
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}
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usage()
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{
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echo -n "Usage: $0"
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echo
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echo "Example usage:"
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echo
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echo "# Shows help message"
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echo "./${TEST_NAME}.sh"
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echo
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echo "# Smoke testing"
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echo "./${TEST_NAME}.sh smoke"
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echo
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echo "# Smoke testing with SPM enabled"
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echo "./${TEST_NAME}.sh smoke <spm_addr_dev0> <spm_addr_dev1>"
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echo
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exit 0
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}
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function run_test()
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{
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if [ $# -eq 0 ]; then
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usage
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else
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if [ "$1" = "smoke" ]; then
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run_smoke $2 $3
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else
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usage
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fi
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fi
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}
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check_test_requirements
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run_test $@
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exit 0
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