ACK: [PATCH 20/21] FADT: add in SLEEP_CONTROL_REG and SLEEP_STATUS_REG compliance tests

[Alex Hung]

On 2016-02-09 09:33 AM, Al Stone wrote:
> When in reduced hardware mode, these fields may or may not be used.  If
> they are, there are rules to check to make the values are reasonable.
> It is also possible that these fields are simple null and not used at all.
>
> Signed-off-by: Al Stone <al.stone at linaro.org>
> ---
>   src/acpi/fadt/fadt.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 63 insertions(+)
>
> diff --git a/src/acpi/fadt/fadt.c b/src/acpi/fadt/fadt.c
> index a2ed70c..05205cb 100644
> --- a/src/acpi/fadt/fadt.c
> +++ b/src/acpi/fadt/fadt.c
> @@ -1452,6 +1452,66 @@ static void acpi_table_check_fadt_p_lvl3_lat(fwts_framework *fw, uint64_t pblk)
>   	return;
>   }
>
> +static void acpi_table_check_fadt_sleep_control_reg(fwts_framework *fw)
> +{
> +	if (fwts_acpi_is_reduced_hardware(fadt)) {
> +		if (fadt->sleep_control_reg.address == 0)
> +			fwts_passed(fw, "FADT SLEEP_CONTROL_REG not in use.");
> +		else {
> +			if (fadt->sleep_control_reg.register_bit_width == 8 &&
> +			    fadt->sleep_control_reg.register_bit_offset == 0)
> +				fwts_passed(fw, "FADT SLEEP_CONTROL_REG is "
> +					    "in use and well-defined.");
> +			else
> +				fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +					    "SleepControlRegHasBadGAS",
> +					    "FADT SLEEP_CONTROL_REG is "
> +					    "in use but register width or "
> +					    "offset is incorrect.");
> +		}
> +	} else {
> +		if (fadt->sleep_control_reg.address == 0)
> +			fwts_passed(fw, "FADT SLEEP_CONTROL_REG is null and "
> +				    "not available when not in reduced "
> +				    "hardware mode.");
> +		else
> +			fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +				    "SleepControlRegNotAllowed",
> +				    "FADT SLEEP_CONTROL_REG is defined but "
> +				    "will be ignored reduced hardware mode.");
> +	}
> +}
> +
> +static void acpi_table_check_fadt_sleep_status_reg(fwts_framework *fw)
> +{
> +	if (fwts_acpi_is_reduced_hardware(fadt)) {
> +		if (fadt->sleep_status_reg.address == 0)
> +			fwts_passed(fw, "FADT SLEEP_STATUS_REG not in use.");
> +		else {
> +			if (fadt->sleep_status_reg.register_bit_width == 8 &&
> +			    fadt->sleep_status_reg.register_bit_offset == 0)
> +				fwts_passed(fw, "FADT SLEEP_STATUS_REG is "
> +					    "in use and well-defined.");
> +			else
> +				fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +					    "SleepStatusRegHasBadGAS",
> +					    "FADT SLEEP_STATUS_REG is "
> +					    "in use but register width or "
> +					    "offset is incorrect.");
> +		}
> +	} else {
> +		if (fadt->sleep_status_reg.address == 0)
> +			fwts_passed(fw, "FADT SLEEP_STATUS_REG is null and "
> +				    "not available when not in reduced "
> +				    "hardware mode.");
> +		else
> +			fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +				    "SleepStatusRegNotAllowed",
> +				    "FADT SLEEP_STATUS_REG is defined but "
> +				    "will be ignored reduced hardware mode.");
> +	}
> +}
> +
>   static int fadt_test1(fwts_framework *fw)
>   {
>   	bool passed = true;
> @@ -1518,6 +1578,9 @@ static int fadt_test1(fwts_framework *fw)
>   		fwts_log_info(fw, "FADT CENTURY is %" PRIu8, fadt->century);
>   	}
>
> +	acpi_table_check_fadt_sleep_control_reg(fw);
> +	acpi_table_check_fadt_sleep_status_reg(fw);
> +
>   	/*
>   	 * Cannot really test the Hypervisor Vendor Identity since
>   	 * the value is provided by the hypervisor to the OS (as a
>


Acked-by: Alex Hung <alex.hung at canonical.com>