Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates
 12.22.5.238 as permitted sender) receiver=protection.outlook.com;
 client-ip=12.22.5.238; helo=mail.nvidia.com;
From:   Alistair Popple <apopple@nvidia.com>
To:     <akpm@linux-foundation.org>, <Felix.Kuehling@amd.com>,
        <linux-mm@kvack.org>, <rcampbell@nvidia.com>,
        <linux-ext4@vger.kernel.org>, <linux-xfs@vger.kernel.org>,
        Alex Sierra <alex.sierra@amd.com>
CC:     <amd-gfx@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>,
        <hch@lst.de>, <jgg@nvidia.com>, <jglisse@redhat.com>,
        <willy@infradead.org>
Subject: Re: [PATCH v3 10/10] tools: update test_hmm script to support SP config
Date:   Thu, 20 Jan 2022 17:17:04 +1100
Message-ID: <2287479.oUxI8j8a0I@nvdebian>
In-Reply-To: <20220110223201.31024-11-alex.sierra@amd.com>
References: <20220110223201.31024-1-alex.sierra@amd.com> <20220110223201.31024-11-alex.sierra@amd.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 7Bit
Content-Type: text/plain; charset="us-ascii"
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jan 2022 06:17:10.8591
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 1af7bcbf-1fa8-492f-a1c4-08d9dbdc7e6a
X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.238];Helo=[mail.nvidia.com]
X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT024.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4468
Precedence: bulk
List-ID: <linux-ext4.vger.kernel.org>
X-Mailing-List: linux-ext4@vger.kernel.org

Looks good,

Reviewed-by: Alistair Popple <apopple@nvidia.com>

On Tuesday, 11 January 2022 9:32:01 AM AEDT Alex Sierra wrote:
> 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>
> ---
> v2:
> Add more mknods for device coherent type. These are represented under
> /dev/hmm_mirror2 and /dev/hmm_mirror3, only in case they have created
> at probing the hmm-test driver.
> ---
>  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 0647b525a625..539c9371e592 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
>