Re: [PATCH v3 3/3] tests/acpi/bios-tables-test: update DSDT blob for multifunction bridge test

[Igor Mammedov <imammedo@redhat.com>]

On Thu,  7 Oct 2021 19:27:50 +0530
Ani Sinha <ani@anisinha.ca> wrote:

> We added a new unit test for testing acpi hotplug on multifunction bridges in
> q35 machines. Here, we update the DSDT table gloden master blob for this unit
> test.
> 
> The test adds the following devices to qemu and then checks the changes
> introduced in the DSDT table due to the addition of the following devices:
> 
> (a) a multifunction bridge device
> (b) a bridge device with function 1
> (c) a non-bridge device with function 2
> 
> In the DSDT table, we should see AML hotplug descriptions for (a) and (b).
> For (a) we should find a hotplug AML description for function 0.
> 
> Following is the ASL diff between the original DSDT table and the modified DSDT
> table due to the unit test. We see that multifunction bridge on bus 2 and single
> function bridge on bus 3 function 1 are described, not the non-bridge balloon
> device on bus 4, function 2.
> 
> @@ -1,30 +1,30 @@
>  /*
>   * Intel ACPI Component Architecture
>   * AML/ASL+ Disassembler version 20190509 (64-bit version)
>   * Copyright (c) 2000 - 2019 Intel Corporation
>   *
>   * Disassembling to symbolic ASL+ operators
>   *
> - * Disassembly of tests/data/acpi/q35/DSDT, Thu Oct  7 18:29:19 2021
> + * Disassembly of /tmp/aml-C7JCA1, Thu Oct  7 18:29:19 2021
>   *
>   * Original Table Header:
>   *     Signature        "DSDT"
> - *     Length           0x00002061 (8289)
> + *     Length           0x00002187 (8583)
>   *     Revision         0x01 **** 32-bit table (V1), no 64-bit math support
> - *     Checksum         0xF9
> + *     Checksum         0x8D
>   *     OEM ID           "BOCHS "
>   *     OEM Table ID     "BXPC    "
>   *     OEM Revision     0x00000001 (1)
>   *     Compiler ID      "BXPC"
>   *     Compiler Version 0x00000001 (1)
>   */
>  DefinitionBlock ("", "DSDT", 1, "BOCHS ", "BXPC    ", 0x00000001)
>  {
>      Scope (\)
>      {
>          OperationRegion (DBG, SystemIO, 0x0402, One)
>          Field (DBG, ByteAcc, NoLock, Preserve)
>          {
>              DBGB,   8
>          }
> 
> @@ -3265,23 +3265,95 @@
>                  Method (_S1D, 0, NotSerialized)  // _S1D: S1 Device State
>                  {
>                      Return (Zero)
>                  }
> 
>                  Method (_S2D, 0, NotSerialized)  // _S2D: S2 Device State
>                  {
>                      Return (Zero)
>                  }
> 
>                  Method (_S3D, 0, NotSerialized)  // _S3D: S3 Device State
>                  {
>                      Return (Zero)
>                  }
>              }
> 
> +            Device (S10)
> +            {
> +                Name (_ADR, 0x00020000)  // _ADR: Address
> +                Name (BSEL, One)
> +                Device (S00)
> +                {
> +                    Name (_SUN, Zero)  // _SUN: Slot User Number
> +                    Name (_ADR, Zero)  // _ADR: Address
> +                    Method (_EJ0, 1, NotSerialized)  // _EJx: Eject Device, x=0-9
> +                    {
> +                        PCEJ (BSEL, _SUN)
> +                    }
> +
> +                    Method (_DSM, 4, Serialized)  // _DSM: Device-Specific Method
> +                    {
> +                        Return (PDSM (Arg0, Arg1, Arg2, Arg3, BSEL, _SUN))
> +                    }
> +                }
> +
> +                Method (DVNT, 2, NotSerialized)
> +                {
> +                    If ((Arg0 & One))
> +                    {
> +                        Notify (S00, Arg1)
> +                    }
> +                }
> +
> +                Method (PCNT, 0, NotSerialized)
> +                {
> +                    BNUM = One
> +                    DVNT (PCIU, One)
> +                    DVNT (PCID, 0x03)
> +                }
> +            }
> +
> +            Device (S19)
> +            {
> +                Name (_ADR, 0x00030001)  // _ADR: Address
> +                Name (BSEL, Zero)
> +                Device (S00)
> +                {
> +                    Name (_SUN, Zero)  // _SUN: Slot User Number
> +                    Name (_ADR, Zero)  // _ADR: Address
> +                    Method (_EJ0, 1, NotSerialized)  // _EJx: Eject Device, x=0-9
> +                    {
> +                        PCEJ (BSEL, _SUN)
> +                    }
> +
> +                    Method (_DSM, 4, Serialized)  // _DSM: Device-Specific Method
> +                    {
> +                        Return (PDSM (Arg0, Arg1, Arg2, Arg3, BSEL, _SUN))
> +                    }
> +                }
> +
> +                Method (DVNT, 2, NotSerialized)
> +                {
> +                    If ((Arg0 & One))
> +                    {
> +                        Notify (S00, Arg1)
> +                    }
> +                }
> +
> +                Method (PCNT, 0, NotSerialized)
> +                {
> +                    BNUM = Zero
> +                    DVNT (PCIU, One)
> +                    DVNT (PCID, 0x03)
> +                }
> +            }
> +
>              Method (PCNT, 0, NotSerialized)
>              {
> +                ^S19.PCNT ()
> +                ^S10.PCNT ()
>              }
>          }
>      }
>  }
> 
> Signed-off-by: Ani Sinha <ani@anisinha.ca>

Acked-by: Igor Mammedov <imammedo@redhat.com>

> ---
>  tests/data/acpi/q35/DSDT.multi-bridge       | Bin 0 -> 8583 bytes
>  tests/qtest/bios-tables-test-allowed-diff.h |   1 -
>  2 files changed, 1 deletion(-)
> 
> diff --git a/tests/data/acpi/q35/DSDT.multi-bridge b/tests/data/acpi/q35/DSDT.multi-bridge
> index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..a24c713d22102a1a1583b5c902edffe1694e5cfe 100644
> GIT binary patch
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> 
> diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h
> index dabc024f53..dfb8523c8b 100644
> --- a/tests/qtest/bios-tables-test-allowed-diff.h
> +++ b/tests/qtest/bios-tables-test-allowed-diff.h
> @@ -1,2 +1 @@
>  /* List of comma-separated changed AML files to ignore */
> -"tests/data/acpi/q35/DSDT.multi-bridge",