qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Igor Mammedov <imammedo@redhat.com>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: peter.maydell@linaro.org, ehabkost@redhat.com, mst@redhat.com,
	jasowang@redhat.com, richard.henderson@linaro.org,
	qemu-devel@nongnu.org, peterx@redhat.com,
	shannon.zhaosl@gmail.com, qemu-arm@nongnu.org, ani@anisinha.ca,
	pbonzini@redhat.com, eric.auger@redhat.com
Subject: Re: [PATCH v5 02/12] hw/i386/pc: Remove x86_iommu_get_type()
Date: Thu, 21 Oct 2021 15:29:51 +0200	[thread overview]
Message-ID: <20211021152951.6582b98f@redhat.com> (raw)
In-Reply-To: <20211020172745.620101-3-jean-philippe@linaro.org>

On Wed, 20 Oct 2021 18:27:36 +0100
Jean-Philippe Brucker <jean-philippe@linaro.org> wrote:

> To generate the IOMMU ACPI table, acpi-build.c can use base QEMU types
> instead of a special IommuType value.
> 
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>

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

> ---
>  include/hw/i386/x86-iommu.h | 12 ------------
>  hw/i386/acpi-build.c        | 20 +++++++++-----------
>  hw/i386/amd_iommu.c         |  2 --
>  hw/i386/intel_iommu.c       |  3 ---
>  hw/i386/x86-iommu-stub.c    |  5 -----
>  hw/i386/x86-iommu.c         |  5 -----
>  6 files changed, 9 insertions(+), 38 deletions(-)
> 
> diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h
> index 9de92d33a1..5ba0c056d6 100644
> --- a/include/hw/i386/x86-iommu.h
> +++ b/include/hw/i386/x86-iommu.h
> @@ -33,12 +33,6 @@ OBJECT_DECLARE_TYPE(X86IOMMUState, X86IOMMUClass, X86_IOMMU_DEVICE)
>  typedef struct X86IOMMUIrq X86IOMMUIrq;
>  typedef struct X86IOMMU_MSIMessage X86IOMMU_MSIMessage;
>  
> -typedef enum IommuType {
> -    TYPE_INTEL,
> -    TYPE_AMD,
> -    TYPE_NONE
> -} IommuType;
> -
>  struct X86IOMMUClass {
>      SysBusDeviceClass parent;
>      /* Intel/AMD specific realize() hook */
> @@ -71,7 +65,6 @@ struct X86IOMMUState {
>      OnOffAuto intr_supported;   /* Whether vIOMMU supports IR */
>      bool dt_supported;          /* Whether vIOMMU supports DT */
>      bool pt_supported;          /* Whether vIOMMU supports pass-through */
> -    IommuType type;             /* IOMMU type - AMD/Intel     */
>      QLIST_HEAD(, IEC_Notifier) iec_notifiers; /* IEC notify list */
>  };
>  
> @@ -140,11 +133,6 @@ struct X86IOMMU_MSIMessage {
>   */
>  X86IOMMUState *x86_iommu_get_default(void);
>  
> -/*
> - * x86_iommu_get_type - get IOMMU type
> - */
> -IommuType x86_iommu_get_type(void);
> -
>  /**
>   * x86_iommu_iec_register_notifier - register IEC (Interrupt Entry
>   *                                   Cache) notifiers
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index 81418b7911..ab49e799ff 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -2488,6 +2488,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
>      PCMachineState *pcms = PC_MACHINE(machine);
>      PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
>      X86MachineState *x86ms = X86_MACHINE(machine);
> +    X86IOMMUState *iommu = x86_iommu_get_default();
>      GArray *table_offsets;
>      unsigned facs, dsdt, rsdt, fadt;
>      AcpiPmInfo pm;
> @@ -2604,17 +2605,14 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
>          build_mcfg(tables_blob, tables->linker, &mcfg, x86ms->oem_id,
>                     x86ms->oem_table_id);
>      }
> -    if (x86_iommu_get_default()) {
> -        IommuType IOMMUType = x86_iommu_get_type();
> -        if (IOMMUType == TYPE_AMD) {
> -            acpi_add_table(table_offsets, tables_blob);
> -            build_amd_iommu(tables_blob, tables->linker, x86ms->oem_id,
> -                            x86ms->oem_table_id);
> -        } else if (IOMMUType == TYPE_INTEL) {
> -            acpi_add_table(table_offsets, tables_blob);
> -            build_dmar_q35(tables_blob, tables->linker, x86ms->oem_id,
> -                           x86ms->oem_table_id);
> -        }
> +    if (object_dynamic_cast(OBJECT(iommu), TYPE_AMD_IOMMU_DEVICE)) {
> +        acpi_add_table(table_offsets, tables_blob);
> +        build_amd_iommu(tables_blob, tables->linker, x86ms->oem_id,
> +                        x86ms->oem_table_id);
> +    } else if (object_dynamic_cast(OBJECT(iommu), TYPE_INTEL_IOMMU_DEVICE)) {
> +        acpi_add_table(table_offsets, tables_blob);
> +        build_dmar_q35(tables_blob, tables->linker, x86ms->oem_id,
> +                       x86ms->oem_table_id);
>      }
>      if (machine->nvdimms_state->is_enabled) {
>          nvdimm_build_acpi(table_offsets, tables_blob, tables->linker,
> diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
> index 9242a0d3ed..91fe34ae58 100644
> --- a/hw/i386/amd_iommu.c
> +++ b/hw/i386/amd_iommu.c
> @@ -1538,7 +1538,6 @@ static void amdvi_sysbus_realize(DeviceState *dev, Error **errp)
>  {
>      int ret = 0;
>      AMDVIState *s = AMD_IOMMU_DEVICE(dev);
> -    X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
>      MachineState *ms = MACHINE(qdev_get_machine());
>      PCMachineState *pcms = PC_MACHINE(ms);
>      X86MachineState *x86ms = X86_MACHINE(ms);
> @@ -1548,7 +1547,6 @@ static void amdvi_sysbus_realize(DeviceState *dev, Error **errp)
>                                       amdvi_uint64_equal, g_free, g_free);
>  
>      /* This device should take care of IOMMU PCI properties */
> -    x86_iommu->type = TYPE_AMD;
>      if (!qdev_realize(DEVICE(&s->pci), &bus->qbus, errp)) {
>          return;
>      }
> diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
> index 75f075547f..c27b20090e 100644
> --- a/hw/i386/intel_iommu.c
> +++ b/hw/i386/intel_iommu.c
> @@ -3806,9 +3806,6 @@ static void vtd_realize(DeviceState *dev, Error **errp)
>      X86MachineState *x86ms = X86_MACHINE(ms);
>      PCIBus *bus = pcms->bus;
>      IntelIOMMUState *s = INTEL_IOMMU_DEVICE(dev);
> -    X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
> -
> -    x86_iommu->type = TYPE_INTEL;
>  
>      if (!vtd_decide_config(s, errp)) {
>          return;
> diff --git a/hw/i386/x86-iommu-stub.c b/hw/i386/x86-iommu-stub.c
> index c5ba077f9d..781b5ff922 100644
> --- a/hw/i386/x86-iommu-stub.c
> +++ b/hw/i386/x86-iommu-stub.c
> @@ -36,8 +36,3 @@ bool x86_iommu_ir_supported(X86IOMMUState *s)
>  {
>      return false;
>  }
> -
> -IommuType x86_iommu_get_type(void)
> -{
> -    abort();
> -}
> diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c
> index 86ad03972e..dc968c7a53 100644
> --- a/hw/i386/x86-iommu.c
> +++ b/hw/i386/x86-iommu.c
> @@ -98,11 +98,6 @@ X86IOMMUState *x86_iommu_get_default(void)
>      return x86_iommu_default;
>  }
>  
> -IommuType x86_iommu_get_type(void)
> -{
> -    return x86_iommu_default->type;
> -}
> -
>  static void x86_iommu_realize(DeviceState *dev, Error **errp)
>  {
>      X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);



  parent reply	other threads:[~2021-10-21 13:32 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-20 17:27 [PATCH v5 00/12] virtio-iommu: Add ACPI support Jean-Philippe Brucker
2021-10-20 17:27 ` [PATCH v5 01/12] hw/acpi: Add VIOT table Jean-Philippe Brucker
2021-10-20 17:27 ` [PATCH v5 02/12] hw/i386/pc: Remove x86_iommu_get_type() Jean-Philippe Brucker
2021-10-21  9:02   ` Eric Auger
2021-10-21 13:29   ` Igor Mammedov [this message]
2021-10-20 17:27 ` [PATCH v5 03/12] hw/i386/pc: Move IOMMU singleton into PCMachineState Jean-Philippe Brucker
2021-10-21  9:02   ` Eric Auger
2021-10-21 13:34   ` Igor Mammedov
2021-10-20 17:27 ` [PATCH v5 04/12] hw/i386/pc: Allow instantiating a virtio-iommu device Jean-Philippe Brucker
2021-10-21 13:47   ` Igor Mammedov
2021-10-25 11:23     ` Jean-Philippe Brucker
2021-10-20 17:27 ` [PATCH v5 05/12] hw/arm/virt-acpi-build: Add VIOT table for virtio-iommu Jean-Philippe Brucker
2021-10-21 13:49   ` Igor Mammedov
2021-10-20 17:27 ` [PATCH v5 06/12] hw/arm/virt: Remove device tree restriction " Jean-Philippe Brucker
2021-10-21 13:53   ` Igor Mammedov
2021-10-20 17:27 ` [PATCH v5 07/12] hw/arm/virt: Reject instantiation of multiple IOMMUs Jean-Philippe Brucker
2021-10-21 13:54   ` Igor Mammedov
2021-10-20 17:27 ` [PATCH v5 08/12] hw/arm/virt: Use object_property_set instead of qdev_prop_set Jean-Philippe Brucker
2021-10-20 17:27 ` [PATCH v5 09/12] tests/acpi: allow updates of VIOT expected data files Jean-Philippe Brucker
2021-10-21  9:02   ` Eric Auger
2021-10-21 14:00   ` Igor Mammedov
2021-10-20 17:27 ` [PATCH v5 10/12] tests/acpi: add test cases for VIOT Jean-Philippe Brucker
2021-10-21  9:02   ` Eric Auger
2021-10-26  9:47     ` Jean-Philippe Brucker
2021-10-21  9:02   ` Eric Auger
2021-10-20 17:27 ` [PATCH v5 11/12] tests/acpi: add expected blob for VIOT test on virt machine Jean-Philippe Brucker
2021-10-20 17:27 ` [PATCH v5 12/12] tests/acpi: add expected blobs for VIOT test on q35 machine Jean-Philippe Brucker

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20211021152951.6582b98f@redhat.com \
    --to=imammedo@redhat.com \
    --cc=ani@anisinha.ca \
    --cc=ehabkost@redhat.com \
    --cc=eric.auger@redhat.com \
    --cc=jasowang@redhat.com \
    --cc=jean-philippe@linaro.org \
    --cc=mst@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=peter.maydell@linaro.org \
    --cc=peterx@redhat.com \
    --cc=qemu-arm@nongnu.org \
    --cc=qemu-devel@nongnu.org \
    --cc=richard.henderson@linaro.org \
    --cc=shannon.zhaosl@gmail.com \
    --subject='Re: [PATCH v5 02/12] hw/i386/pc: Remove x86_iommu_get_type()' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).