[PATCH 2/8] acpi: method: add checks for EDL, RMV, STA

[Keng-Yu Lin]

On Thu, Sep 20, 2012 at 1:53 AM, Colin King <colin.king at canonical.com> wrote:
> From: Colin Ian King <colin.king at canonical.com>
>
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
> ---
>  src/acpi/method/method.c |   86 ++++++++++++++++++++++++++++++++++++++++++----
>  1 file changed, 80 insertions(+), 6 deletions(-)
>
> diff --git a/src/acpi/method/method.c b/src/acpi/method/method.c
> index edf2c52..86b20f0 100644
> --- a/src/acpi/method/method.c
> +++ b/src/acpi/method/method.c
> @@ -87,7 +87,7 @@
>   * _DSW  7.2.1         Y
>   * _Exx  5.6.4.1       n/a
>   * _EC   1.12          n/a
> - * _EDL  6.3.1         N
> + * _EDL  6.3.1         Y
>   * _EJD  6.3.2         Y
>   * _EJx  6.3.3         Y
>   * _EVT  5.6.5.3       N
> @@ -178,7 +178,7 @@
>   * _Qxx  5.6.4.1       n/a
>   * _REG  6.5.4         N
>   * _REV  5.7.4         N
> - * _RMV  6.3.6         N
> + * _RMV  6.3.6         Y
>   * _ROM  B.4.3         Y
>   * _RTV  11.4.10       Y
>   * _S0_  7.3.4.1       N
> @@ -207,7 +207,7 @@
>   * _SRS  6.2.15                N
>   * _SRT  9.18.4                N
>   * _SST  9.1.1         N
> - * _STA  6.3.7, 7.1.4  N
> + * _STA  6.3.7, 7.1.4  Y
>   * _STM  9.8.2.1.2     N
>   * _STP  9.18.7                N
>   * _STR  6.1.9         Y
> @@ -956,6 +956,36 @@ static int method_test_PXM(fwts_framework *fw)
>  /*
>   * Section 6.3 Device Insertion, Removal and Status Objects
>   */
> +static void method_test_EDL_return(
> +       fwts_framework *fw,
> +       char *name,
> +       ACPI_BUFFER *buf,
> +       ACPI_OBJECT *obj,
> +       void *private)
> +{
> +       int i;
> +
> +       if (method_check_type(fw, name, buf, ACPI_TYPE_PACKAGE) != FWTS_OK)
> +               return;
> +
> +       /* All elements in the package must be references */
> +       for (i = 0; i < obj->Package.Count; i++) {
> +               if (obj->Package.Elements[i].Type != ACPI_TYPE_LOCAL_REFERENCE) {
> +                       fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +                               "Method_EDLElementType",
> +                               "_EDL package element %d was not a reference.",
> +                               i);
> +                       fwts_tag_failed(fw, FWTS_TAG_ACPI_METHOD_RETURN);
> +               }
> +       }
> +}
> +
> +static int method_test_EDL(fwts_framework *fw)
> +{
> +       return method_evaluate_method(fw, METHOD_OPTIONAL,
> +               "_EDL", NULL, 0, method_test_EDL_return, NULL);
> +}
> +
>  static int method_test_EJD(fwts_framework *fw)
>  {
>         return method_evaluate_method(fw, METHOD_OPTIONAL,
> @@ -991,6 +1021,50 @@ static int method_test_LCK(fwts_framework *fw)
>                 "_LCK", arg, 1, method_test_NULL_return, NULL);
>  }
>
> +static int method_test_RMV(fwts_framework *fw)
> +{
> +       return method_evaluate_method(fw, METHOD_OPTIONAL, "_RMV",
> +               NULL, 0, method_test_passed_failed_return, "_RMV");
> +}
> +
> +static void method_test_STA_return(
> +       fwts_framework *fw,
> +       char *name,
> +       ACPI_BUFFER *buf,
> +       ACPI_OBJECT *obj,
> +       void *private)
> +{
> +       bool failed = false;
> +
> +       if (method_check_type(fw, name, buf, ACPI_TYPE_INTEGER) == FWTS_OK) {
> +               if ((obj->Integer.Value & 3) == 2) {
> +                       fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +                               "Method_STAEnabledNotPresent",
> +                               "_STA indicates that the device is enabled "
> +                               "but not present, which is impossible.");
> +                       failed = true;
> +               }
> +               if ((obj->Integer.Value & ~0x1f) != 0) {
> +                       fwts_failed(fw, LOG_LEVEL_MEDIUM,
> +                               "Method_STAReservedBitsSet",
> +                               "_STA is returning non-zero reserved "
> +                               "bits 5-31. These should be zero.");
> +                       failed = true;
> +               }
> +
> +               if (!failed)
> +                       fwts_passed(fw,
> +                               "_STA correctly returned sane looking "
> +                               "value 0x%8.8x", (uint32_t)obj->Integer.Value);
> +       }
> +}
> +
> +static int method_test_STA(fwts_framework *fw)
> +{
> +       return method_evaluate_method(fw, METHOD_OPTIONAL, "_STA",
> +               NULL, 0, method_test_STA_return, "_STA");
> +}
> +
>
>  /*
>   * Section 6.5 Other Objects and Controls
> @@ -2909,7 +2983,7 @@ static fwts_framework_minor_test method_tests[] = {
>
>         /* Section 6.3 Device Insertion, Removal and Status Objects */
>
> -       /* { method_test_EDL, "Check _EDL (Eject Device List)." }, */
> +       { method_test_EDL, "Check _EDL (Eject Device List)." },
>         { method_test_EJD, "Check _EJD (Ejection Dependent Device)." },
>         { method_test_EJ0, "Check _EJ0 (Eject)." },
>         { method_test_EJ1, "Check _EJ1 (Eject)." },
> @@ -2918,8 +2992,8 @@ static fwts_framework_minor_test method_tests[] = {
>         { method_test_EJ4, "Check _EJ4 (Eject)." },
>         { method_test_LCK, "Check _LCK (Lock)." },
>         /* { method_test_OST, "Check _OST (OSPM Status Indication)." }, */
> -       /* { method_test_RMV, "Check _RMV (Remove)." }, */
> -       /* { method_test_STA, "Check _STA (Status)." }, */
> +       { method_test_RMV, "Check _RMV (Remove)." },
> +       { method_test_STA, "Check _STA (Status)." },
>
>         /* Section 6.4 Resource Data Types for ACPI */
>
> --
> 1.7.10.4
>
Acked-by: Keng-Yu Lin <kengyu at canonical.com>