Re: [kvm-unit-tests PATCH v2 06/16] arm/arm64: ITS: Test BASER

[Auger Eric <eric.auger@redhat.com>]

Hi,

On 1/13/20 6:21 PM, Andrew Jones wrote:
> On Fri, Jan 10, 2020 at 03:54:02PM +0100, Eric Auger wrote:
>> Add helper routines to parse and set up BASER registers.
>> Add a new test dedicated to BASER<n> accesses.
>>
>> Signed-off-by: Eric Auger <eric.auger@redhat.com>
>>
>> ---
>>
>> v2 -> v3:
>> - remove everything related to memory attributes
>> - s/dev_baser/coll_baser/ in report_info
>> - add extra line
>> - removed index filed in its_baser
>> ---
>>  arm/gic.c                | 21 ++++++++++-
>>  arm/unittests.cfg        |  6 +++
>>  lib/arm/asm/gic-v3-its.h | 14 +++++++
>>  lib/arm/gic-v3-its.c     | 80 ++++++++++++++++++++++++++++++++++++++++
>>  4 files changed, 120 insertions(+), 1 deletion(-)
>>
>> diff --git a/arm/gic.c b/arm/gic.c
>> index adeb981..3597ac3 100644
>> --- a/arm/gic.c
>> +++ b/arm/gic.c
>> @@ -531,11 +531,26 @@ static void test_its_introspection(void)
>>  		    typer->collid_bits);
>>  	report(typer->eventid_bits && typer->deviceid_bits &&
>>  	       typer->collid_bits, "ID spaces");
>> -	report(!typer->hw_collections, "collections only in ext memory");
>>  	report_info("Target address format %s",
>>  			typer->pta ? "Redist basse address" : "PE #");
>>  }
>>  
>> +static void test_its_baser(void)
>> +{
>> +	struct its_baser *dev_baser, *coll_baser;
>> +
>> +	if (!gicv3_its_base()) {
>> +		report_skip("No ITS, skip ...");
>> +		return;
>> +	}
>> +
>> +	dev_baser = its_lookup_baser(GITS_BASER_TYPE_DEVICE);
>> +	coll_baser = its_lookup_baser(GITS_BASER_TYPE_COLLECTION);
>> +	report(dev_baser && coll_baser, "detect device and collection BASER");
>> +	report_info("device baser entry_size = 0x%x", dev_baser->esz);
>> +	report_info("collection baser entry_size = 0x%x", coll_baser->esz);
>> +}
>> +
>>  int main(int argc, char **argv)
>>  {
>>  	if (!gic_init()) {
>> @@ -571,6 +586,10 @@ int main(int argc, char **argv)
>>  		report_prefix_push(argv[1]);
>>  		test_its_introspection();
>>  		report_prefix_pop();
>> +	} else if (strcmp(argv[1], "its-baser") == 0) {
>> +		report_prefix_push(argv[1]);
>> +		test_its_baser();
>> +		report_prefix_pop();
>>  	} else {
>>  		report_abort("Unknown subtest '%s'", argv[1]);
>>  	}
>> diff --git a/arm/unittests.cfg b/arm/unittests.cfg
>> index bd20460..2234a0f 100644
>> --- a/arm/unittests.cfg
>> +++ b/arm/unittests.cfg
>> @@ -128,6 +128,12 @@ smp = $MAX_SMP
>>  extra_params = -machine gic-version=3 -append 'its-introspection'
>>  groups = its
>>  
>> +[its-baser]
>> +file = gic.flat
>> +smp = $MAX_SMP
>> +extra_params = -machine gic-version=3 -append 'its-baser'
>> +groups = its
> 
> Do these tests need to be run separately from the its-introspection tests
> for some reason? If not, then I'd combine them.
Not really. To me it is easier to debug and analyze when the fail
though. I will merge both.

Thanks

Eric
> 
> Thanks,
> drew
> 

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