[PATCH 4/4] acpi: mcfg: split into two distinct tests

[Keng-Yu Lin]

On Sun, Oct 21, 2012 at 3:54 AM, Colin King <colin.king at canonical.com> wrote:
> From: Colin Ian King <colin.king at canonical.com>
>
> Currently the mcfg tests does quite a bit of checking for one
> test, so lets instead break it into two distinct tests; the first
> does general MCFG table sanity checking, the second checks it
> against the PCI space.
>
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
> ---
>  src/acpi/mcfg/mcfg.c |   39 ++++++++++++++++++++++++++++++++-------
>  1 file changed, 32 insertions(+), 7 deletions(-)
>
> diff --git a/src/acpi/mcfg/mcfg.c b/src/acpi/mcfg/mcfg.c
> index 1b96b26..9dfd9fd 100644
> --- a/src/acpi/mcfg/mcfg.c
> +++ b/src/acpi/mcfg/mcfg.c
> @@ -120,17 +120,11 @@ static int mcfg_deinit(fwts_framework *fw)
>  static int mcfg_test1(fwts_framework *fw)
>  {
>         int nr, i;
> -       uint8_t *mapped_table_page;
>         fwts_acpi_table_mcfg *mcfg = (fwts_acpi_table_mcfg*)mcfg_table->data;
>         fwts_acpi_mcfg_configuration *config;
>         bool failed = false;
>         ssize_t mcfg_size;
>         const char *memory_map_name;
> -       int page_size;
> -
> -       page_size = sysconf(_SC_PAGESIZE);
> -       if (page_size == -1)
> -               page_size = 4096;
>
>         memory_map_name = fwts_memory_map_name(fw->firmware_type);
>
> @@ -231,9 +225,39 @@ static int mcfg_test1(fwts_framework *fw)
>         if (!failed)
>                 fwts_passed(fw, "MCFG mmio config space is reserved in memory map table.");
>
> -       /* Sanity check on first config */
> +
> +       return FWTS_OK;
> +}
> +
> +#define SINGLE_CONFIG_TABLE_SIZE \
> +       (sizeof(fwts_acpi_table_mcfg) + sizeof(fwts_acpi_mcfg_configuration))
> +
> +static int mcfg_test2(fwts_framework *fw)
> +{
> +       fwts_acpi_table_mcfg *mcfg = (fwts_acpi_table_mcfg *)mcfg_table->data;
> +       fwts_acpi_mcfg_configuration *config;
> +       uint8_t *mapped_table_page;
> +       size_t page_size;
> +
> +       page_size = fwts_page_size();
> +
> +       if (mcfg == NULL) {
> +               fwts_failed(fw, LOG_LEVEL_HIGH, "MCFGInvalidTable",
> +                       "Invalid MCFG ACPI table");
> +               fwts_tag_failed(fw, FWTS_TAG_ACPI_INVALID_TABLE);
> +               return FWTS_ERROR;
> +       }
> +
> +       /* Need at least one config entry */
> +       if (mcfg_table->length < SINGLE_CONFIG_TABLE_SIZE) {
> +               fwts_failed(fw, LOG_LEVEL_MEDIUM, "MCFGNoEntries",
> +                       "No MCFG ACPI table entries");
> +               return FWTS_ERROR;
> +       }
> +
>         config = &mcfg->configuration[0];
>
> +       /* Sanity check on first config */
>         if ((mapped_table_page = fwts_mmap(config->base_address, page_size)) == FWTS_MAP_FAILED) {
>                 fwts_log_error(fw, "Cannot mmap table at 0x%" PRIx64 ".", config->base_address);
>                 return FWTS_ERROR;
> @@ -246,6 +270,7 @@ static int mcfg_test1(fwts_framework *fw)
>
>  static fwts_framework_minor_test mcfg_tests[] = {
>         { mcfg_test1, "Validate MCFG table." },
> +       { mcfg_test2, "Validate MCFG PCI config space." },
>         { NULL, NULL }
>  };
>
> --
> 1.7.10.4
>
Acked-by: Keng-Yu Lin <kengyu at canonical.com>