ACK: [PATCH v3 04/10] acpi: dbg2: add SBBR compliance tests
Colin Ian King
colin.king at canonical.com
Wed Aug 23 14:20:12 UTC 2017
On 23/08/17 15:09, Sakar Arora wrote:
> From: Rajat Goyal <Rajat.Goyal at arm.com>
>
> Server Base Boot Requirements (SBBR) specification is intended for SBSA-
> compliant 64-bit ARMv8 servers.
> It defines the base firmware requirements for out-of-box support of any
> ARM SBSA-compatible Operating System or hypervisor.
> The requirements in this specification are expected to be minimal yet
> complete for booting a multi-core ARMv8 server platform, while leaving
> plenty of room for OEM or ODM innovations and design details.
> For more information, download the SBBR specification here:
> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.den0044b/index.html
>
> This change introduces test cases as per SBBR specification to dbg2
> table.
>
> Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh at arm.com>
> Signed-off-by: Rajat Goyal <Rajat.Goyal at arm.com>
> Signed-off-by: Sakar Arora <Sakar.Arora at arm.com>
> ---
> src/acpi/dbg2/dbg2.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++--
> 1 file changed, 48 insertions(+), 2 deletions(-)
>
> diff --git a/src/acpi/dbg2/dbg2.c b/src/acpi/dbg2/dbg2.c
> index e6f6f09..f760bd8 100644
> --- a/src/acpi/dbg2/dbg2.c
> +++ b/src/acpi/dbg2/dbg2.c
> @@ -30,6 +30,9 @@
>
> #include "fwts_acpi_object_eval.h"
>
> +#define SBBR_DBG2_PORT_SERIAL 0x8000
> +#define SBBR_DBG2_ARM_SBSA_UART 0x000E
> +
> static fwts_acpi_table_info *table;
>
> static int dbg2_init(fwts_framework *fw)
> @@ -39,10 +42,52 @@ static int dbg2_init(fwts_framework *fw)
> return FWTS_ERROR;
> }
> if (table == NULL || (table && table->length == 0)) {
> - fwts_log_error(fw, "ACPI DBG2 table does not exist, skipping test");
> + if (fw->flags & FWTS_FLAG_TEST_SBBR) {
> + fwts_log_error(fw,
> + "ACPI DBG2 table does not exist");
> + return FWTS_ERROR;
> + } else {
> + fwts_log_error(fw,
> + "ACPI DBG2 table does not exist, skipping test");
> + return FWTS_SKIP;
> + }
> + }
> +
> + return FWTS_OK;
> +}
> +
> +static int dbg2_test2(fwts_framework *fw)
> +{
> + uint32_t i;
> +
> + if (!(fw->flags & FWTS_FLAG_TEST_SBBR))
> return FWTS_SKIP;
> +
> + fwts_acpi_table_dbg2 *dbg2 = (fwts_acpi_table_dbg2 *)table->data;
> + fwts_acpi_table_dbg2_info *info;
> +
> + info = (fwts_acpi_table_dbg2_info *)(table->data + dbg2->info_offset);
> +
> + for (i = 0; i < dbg2->info_count; i++) {
> + if ((uint8_t*)&info->length >= ((uint8_t*)table + table->length))
> + break;
> + if (((uint8_t*)info + info->length) >= ((uint8_t*)table + table->length))
> + break;
> + if ((info->port_type == SBBR_DBG2_PORT_SERIAL) &&
> + (info->port_subtype == SBBR_DBG2_ARM_SBSA_UART)) {
> + fwts_passed(fw,
> + "DBG2 provides a standard serial debug "
> + "port and describes ARM SBSA Generic UART");
> + return FWTS_OK;
> + }
> +
> + /* ..and onto the next info structure .. */
> + info = (fwts_acpi_table_dbg2_info *)((uint8_t *)info +
> + info->length);
> }
>
> + fwts_failed(fw, LOG_LEVEL_CRITICAL, "dbg2_sbsa_uart:",
> + "DBG2 provides a non standard debug port");
> return FWTS_OK;
> }
>
> @@ -343,6 +388,7 @@ done:
>
> static fwts_framework_minor_test dbg2_tests[] = {
> { dbg2_test1, "DBG2 (Debug Port Table 2) test." },
> + { dbg2_test2, "DBG2 ARM SBSA Generic UART test," },
> { NULL, NULL }
> };
>
> @@ -352,6 +398,6 @@ static fwts_framework_ops dbg2_ops = {
> .minor_tests = dbg2_tests
> };
>
> -FWTS_REGISTER("dbg2", &dbg2_ops, FWTS_TEST_ANYTIME, FWTS_FLAG_BATCH | FWTS_FLAG_TEST_ACPI)
> +FWTS_REGISTER("dbg2", &dbg2_ops, FWTS_TEST_ANYTIME, FWTS_FLAG_BATCH | FWTS_FLAG_TEST_ACPI | FWTS_FLAG_TEST_SBBR)
>
> #endif
>
Acked-by: Colin Ian King <colin.king at canonical.com>
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