ACK: [PATCH 1/2] acpi: sdei: add ACPI SDEI test (mantis 1714)

[Colin Ian King]

On 04/08/17 23:49, Alex Hung wrote:
> Signed-off-by: Alex Hung <alex.hung at canonical.com>
> ---
>  src/Makefile.am             |  1 +
>  src/acpi/sdei/sdei.c        | 88 +++++++++++++++++++++++++++++++++++++++++++++
>  src/lib/include/fwts_acpi.h |  8 +++++
>  3 files changed, 97 insertions(+)
>  create mode 100644 src/acpi/sdei/sdei.c
> 
> diff --git a/src/Makefile.am b/src/Makefile.am
> index 916834c..43c398e 100644
> --- a/src/Makefile.am
> +++ b/src/Makefile.am
> @@ -104,6 +104,7 @@ fwts_SOURCES = main.c 				\
>  	acpi/s3power/s3power.c 			\
>  	acpi/s4/s4.c 				\
>  	acpi/sbst/sbst.c			\
> +	acpi/sdei/sdei.c			\
>  	acpi/slic/slic.c 			\
>  	acpi/slit/slit.c 			\
>  	acpi/spcr/spcr.c 			\
> diff --git a/src/acpi/sdei/sdei.c b/src/acpi/sdei/sdei.c
> new file mode 100644
> index 0000000..c75300e
> --- /dev/null
> +++ b/src/acpi/sdei/sdei.c
> @@ -0,0 +1,88 @@
> +/*
> + * Copyright (C) 2017 Canonical
> + *
> + * Portions of this code original from the Linux-ready Firmware Developer Kit
> + *
> + * This program 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 program 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.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
> + *
> + */
> +#include "fwts.h"
> +
> +#if defined(FWTS_HAS_ACPI)
> +
> +#include <stdlib.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +#include <inttypes.h>
> +#include <string.h>
> +
> +static fwts_acpi_table_info *table;
> +
> +static int sdei_init(fwts_framework *fw)
> +{
> +	if (fwts_acpi_find_table(fw, "SDEI", 0, &table) != FWTS_OK) {
> +		fwts_log_error(fw, "Cannot read ACPI tables");
> +		return FWTS_ERROR;
> +	}
> +	if (table == NULL || (table && table->length == 0)) {
> +		fwts_log_error(fw, "ACPI SDEI table does not exist, skipping test");
> +		return FWTS_SKIP;
> +	}
> +
> +	return FWTS_OK;
> +}
> +
> +static int sdei_test1(fwts_framework *fw)
> +{
> +	fwts_acpi_table_sdei *sdei = (fwts_acpi_table_sdei *) table->data;
> +	bool passed = true;
> +
> +	fwts_log_info_verbatim(fw, "SDEI (Software Delegated Exception Interface) Table:");
> +
> +	/* Current spec says:
> +	 * "The table consists only of a basic header with revision 1."
> +	 * "Later revisions of the SDEI table may define additional fields."
> +	 *
> +	 * More validation will be implemented for revision 2 and later.
> +	 */
> +	switch (sdei->header.revision) {
> +	case 1:
> +		/* nothing to validate */
> +		break;
> +	default:
> +		fwts_log_info(fw, "Unsupported SDEI Revision %" PRIu8, sdei->header.revision);
> +		break;
> +	}
> +
> +	if (passed)
> +		fwts_passed(fw, "No issues found in SDEI table.");
> +
> +	return FWTS_OK;
> +}
> +
> +static fwts_framework_minor_test sdei_tests[] = {
> +	{ sdei_test1, "Validate SDEI table." },
> +	{ NULL, NULL }
> +};
> +
> +static fwts_framework_ops sdei_ops = {
> +	.description = "SDEI Software Delegated Exception Interface Table test",
> +	.init        = sdei_init,
> +	.minor_tests = sdei_tests
> +};
> +
> +FWTS_REGISTER("sdei", &sdei_ops, FWTS_TEST_ANYTIME, FWTS_FLAG_BATCH | FWTS_FLAG_TEST_ACPI)
> +
> +#endif
> diff --git a/src/lib/include/fwts_acpi.h b/src/lib/include/fwts_acpi.h
> index 0742ef3..12d63aa 100644
> --- a/src/lib/include/fwts_acpi.h
> +++ b/src/lib/include/fwts_acpi.h
> @@ -1770,6 +1770,14 @@ typedef struct {
>  } __attribute__ ((packed)) fwts_acpi_table_msdm;
>  
>  /*
> + * ACPI SDEI (Software Delegated Exception Interface)
> + *   http://infocenter.arm.com/help/topic/com.arm.doc.den0054a/ARM_DEN0054A_Software_Delegated_Exception_Interface.pdf
> + */
> +typedef struct {
> +	fwts_acpi_table_header  header;
> +} __attribute__ ((packed)) fwts_acpi_table_sdei;
> +
> +/*
>   * ACPI IORT (IO Remapping Table)
>   *   http://infocenter.arm.com/help/topic/com.arm.doc.den0049a/DEN0049A_IO_Remapping_Table.pdf
>   */
> 
Acked-by: Colin Ian King <colin.king at canonical.com>