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    Subject[PATCH 24/27] tools: update test_hmm script to support SP config
    Date
    From: Alex Sierra <alex.sierra@amd.com>

    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.

    Signed-off-by: Alex Sierra <alex.sierra@amd.com>
    Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
    Reviewed-by: Alistair Popple <apopple@nvidia.com>
    Signed-off-by: Christoph Hellwig <hch@lst.de>
    ---
    tools/testing/selftests/vm/test_hmm.sh | 24 +++++++++++++++++++++---
    1 file changed, 21 insertions(+), 3 deletions(-)

    diff --git a/tools/testing/selftests/vm/test_hmm.sh b/tools/testing/selftests/vm/test_hmm.sh
    index 0647b525a62564..539c9371e592a1 100755
    --- a/tools/testing/selftests/vm/test_hmm.sh
    +++ b/tools/testing/selftests/vm/test_hmm.sh
    @@ -40,11 +40,26 @@ check_test_requirements()

    load_driver()
    {
    - modprobe $DRIVER > /dev/null 2>&1
    + if [ $# -eq 0 ]; then
    + modprobe $DRIVER > /dev/null 2>&1
    + else
    + if [ $# -eq 2 ]; then
    + modprobe $DRIVER spm_addr_dev0=$1 spm_addr_dev1=$2
    + > /dev/null 2>&1
    + else
    + echo "Missing module parameters. Make sure pass"\
    + "spm_addr_dev0 and spm_addr_dev1"
    + usage
    + fi
    + fi
    if [ $? == 0 ]; then
    major=$(awk "\$2==\"HMM_DMIRROR\" {print \$1}" /proc/devices)
    mknod /dev/hmm_dmirror0 c $major 0
    mknod /dev/hmm_dmirror1 c $major 1
    + if [ $# -eq 2 ]; then
    + mknod /dev/hmm_dmirror2 c $major 2
    + mknod /dev/hmm_dmirror3 c $major 3
    + fi
    fi
    }

    @@ -58,7 +73,7 @@ run_smoke()
    {
    echo "Running smoke test. Note, this test provides basic coverage."

    - load_driver
    + load_driver $1 $2
    $(dirname "${BASH_SOURCE[0]}")/hmm-tests
    unload_driver
    }
    @@ -75,6 +90,9 @@ usage()
    echo "# Smoke testing"
    echo "./${TEST_NAME}.sh smoke"
    echo
    + echo "# Smoke testing with SPM enabled"
    + echo "./${TEST_NAME}.sh smoke <spm_addr_dev0> <spm_addr_dev1>"
    + echo
    exit 0
    }

    @@ -84,7 +102,7 @@ function run_test()
    usage
    else
    if [ "$1" = "smoke" ]; then
    - run_smoke
    + run_smoke $2 $3
    else
    usage
    fi
    --
    2.30.2
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