| Message ID | 1470161247-10251-8-git-send-email-eric.auger@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Eric, On 2016/8/3 2:07, Eric Auger wrote: > This patch exposes the GICv3 ITS to the ACPI guest. The ITS structure > is added to the MADT table. > > Signed-off-by: Eric Auger <eric.auger@redhat.com> > > --- > > v5: new > > Tested with Tomasz' kernel series on guest side: > - [PATCH V7 0/8] Introduce ACPI world to ITS, > https://lkml.org/lkml/2016/6/20/321 > - for running PCIe on the guest (virtio-pci-net or vhost-net) > the following series is also needed, although not directly ITS: > Support for ARM64 ACPI based PCI host controller, > https://lwn.net/Articles/690995/ > --- > hw/arm/virt-acpi-build.c | 7 +++++++ > include/hw/acpi/acpi-defs.h | 13 ++++++++++++- > 2 files changed, 19 insertions(+), 1 deletion(-) > > diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c > index 28fc59c..6cfedff 100644 > --- a/hw/arm/virt-acpi-build.c > +++ b/hw/arm/virt-acpi-build.c > @@ -546,6 +546,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) > } > > if (guest_info->gic_version == 3) { > + AcpiMadtGicIts *gic_its; > AcpiMadtGenericRedistributor *gicr = acpi_data_push(table_data, > sizeof *gicr); > > @@ -553,6 +554,12 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) > gicr->length = sizeof(*gicr); > gicr->base_address = cpu_to_le64(memmap[VIRT_GIC_REDIST].base); > gicr->range_length = cpu_to_le32(memmap[VIRT_GIC_REDIST].size); > + > + gic_its = acpi_data_push(table_data, sizeof *gic_its); > + gic_its->type = ACPI_APIC_ITS_STRUCTURE; > + gic_its->length = sizeof(*gic_its); > + gic_its->gic_its_id = 0; > + gic_its->base_address = cpu_to_le64(memmap[VIRT_GIC_ITS].base); Since for TCG it doesn't support ITS yet, it should check here using its_class_name(). > } else { > gic_msi = acpi_data_push(table_data, sizeof *gic_msi); > gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME; > diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h > index 41c1d95..ba3be1e 100644 > --- a/include/hw/acpi/acpi-defs.h > +++ b/include/hw/acpi/acpi-defs.h > @@ -294,7 +294,8 @@ typedef struct AcpiMultipleApicTable AcpiMultipleApicTable; > #define ACPI_APIC_GENERIC_DISTRIBUTOR 12 > #define ACPI_APIC_GENERIC_MSI_FRAME 13 > #define ACPI_APIC_GENERIC_REDISTRIBUTOR 14 > -#define ACPI_APIC_RESERVED 15 /* 15 and greater are reserved */ > +#define ACPI_APIC_ITS_STRUCTURE 15 use ACPI_APIC_GENERIC_TRANSLATOR instead. > +#define ACPI_APIC_RESERVED 16 /* 16 and greater are reserved */ > > /* > * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE) > @@ -386,6 +387,16 @@ struct AcpiMadtGenericMsiFrame { > > typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame; > > +struct AcpiMadtGicIts { > + ACPI_SUB_HEADER_DEF > + uint16_t reserved; > + uint32_t gic_its_id; > + uint64_t base_address; > + uint32_t reserved2; > +} QEMU_PACKED; > + > +typedef struct AcpiMadtGicIts AcpiMadtGicIts; > + Define it like below to respect the name in linux kernel and also keep consistent with other structures. +struct AcpiMadtGenericTranslator { + ACPI_SUB_HEADER_DEF + uint16_t reserved; + uint32_t translation_id; + uint64_t base_address; + uint32_t reserved2; +} QEMU_PACKED; + +typedef struct AcpiMadtGenericTranslator AcpiMadtGenericTranslator; BTW, you could have a look at [1] which I sent before. [1] https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06282.html Thanks,
Hi Shannon, On 03/08/2016 02:56, Shannon Zhao wrote: > Hi Eric, > > On 2016/8/3 2:07, Eric Auger wrote: >> This patch exposes the GICv3 ITS to the ACPI guest. The ITS structure >> is added to the MADT table. >> >> Signed-off-by: Eric Auger <eric.auger@redhat.com> >> >> --- >> >> v5: new >> >> Tested with Tomasz' kernel series on guest side: >> - [PATCH V7 0/8] Introduce ACPI world to ITS, >> https://lkml.org/lkml/2016/6/20/321 >> - for running PCIe on the guest (virtio-pci-net or vhost-net) >> the following series is also needed, although not directly ITS: >> Support for ARM64 ACPI based PCI host controller, >> https://lwn.net/Articles/690995/ >> --- >> hw/arm/virt-acpi-build.c | 7 +++++++ >> include/hw/acpi/acpi-defs.h | 13 ++++++++++++- >> 2 files changed, 19 insertions(+), 1 deletion(-) >> >> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c >> index 28fc59c..6cfedff 100644 >> --- a/hw/arm/virt-acpi-build.c >> +++ b/hw/arm/virt-acpi-build.c >> @@ -546,6 +546,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) >> } >> >> if (guest_info->gic_version == 3) { >> + AcpiMadtGicIts *gic_its; >> AcpiMadtGenericRedistributor *gicr = acpi_data_push(table_data, >> sizeof *gicr); >> >> @@ -553,6 +554,12 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) >> gicr->length = sizeof(*gicr); >> gicr->base_address = cpu_to_le64(memmap[VIRT_GIC_REDIST].base); >> gicr->range_length = cpu_to_le32(memmap[VIRT_GIC_REDIST].size); >> + >> + gic_its = acpi_data_push(table_data, sizeof *gic_its); >> + gic_its->type = ACPI_APIC_ITS_STRUCTURE; >> + gic_its->length = sizeof(*gic_its); >> + gic_its->gic_its_id = 0; >> + gic_its->base_address = cpu_to_le64(memmap[VIRT_GIC_ITS].base); > Since for TCG it doesn't support ITS yet, it should check here using > its_class_name(). > >> } else { >> gic_msi = acpi_data_push(table_data, sizeof *gic_msi); >> gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME; >> diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h >> index 41c1d95..ba3be1e 100644 >> --- a/include/hw/acpi/acpi-defs.h >> +++ b/include/hw/acpi/acpi-defs.h >> @@ -294,7 +294,8 @@ typedef struct AcpiMultipleApicTable AcpiMultipleApicTable; >> #define ACPI_APIC_GENERIC_DISTRIBUTOR 12 >> #define ACPI_APIC_GENERIC_MSI_FRAME 13 >> #define ACPI_APIC_GENERIC_REDISTRIBUTOR 14 >> -#define ACPI_APIC_RESERVED 15 /* 15 and greater are reserved */ >> +#define ACPI_APIC_ITS_STRUCTURE 15 > use ACPI_APIC_GENERIC_TRANSLATOR instead. > >> +#define ACPI_APIC_RESERVED 16 /* 16 and greater are reserved */ >> >> /* >> * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE) >> @@ -386,6 +387,16 @@ struct AcpiMadtGenericMsiFrame { >> >> typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame; >> >> +struct AcpiMadtGicIts { >> + ACPI_SUB_HEADER_DEF >> + uint16_t reserved; >> + uint32_t gic_its_id; >> + uint64_t base_address; >> + uint32_t reserved2; >> +} QEMU_PACKED; >> + >> +typedef struct AcpiMadtGicIts AcpiMadtGicIts; >> + > Define it like below to respect the name in linux kernel and also keep > consistent with other structures. > > +struct AcpiMadtGenericTranslator { > + ACPI_SUB_HEADER_DEF > + uint16_t reserved; > + uint32_t translation_id; > + uint64_t base_address; > + uint32_t reserved2; > +} QEMU_PACKED; > + > +typedef struct AcpiMadtGenericTranslator AcpiMadtGenericTranslator; > > BTW, you could have a look at [1] which I sent before. > > [1] https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06282.html Hum sorry, please apologize. I was not aware of those. Do you want to respin or shall I respin mine taking into account your comments and changing the author. Besides, thanks for the review. Thanks Eric > > Thanks, >
On 2016/8/3 15:22, Auger Eric wrote: > Hi Shannon, > > On 03/08/2016 02:56, Shannon Zhao wrote: >> > Hi Eric, >> > >> > On 2016/8/3 2:07, Eric Auger wrote: >>> >> This patch exposes the GICv3 ITS to the ACPI guest. The ITS structure >>> >> is added to the MADT table. >>> >> >>> >> Signed-off-by: Eric Auger <eric.auger@redhat.com> >>> >> >>> >> --- >>> >> >>> >> v5: new >>> >> >>> >> Tested with Tomasz' kernel series on guest side: >>> >> - [PATCH V7 0/8] Introduce ACPI world to ITS, >>> >> https://lkml.org/lkml/2016/6/20/321 >>> >> - for running PCIe on the guest (virtio-pci-net or vhost-net) >>> >> the following series is also needed, although not directly ITS: >>> >> Support for ARM64 ACPI based PCI host controller, >>> >> https://lwn.net/Articles/690995/ >>> >> --- >>> >> hw/arm/virt-acpi-build.c | 7 +++++++ >>> >> include/hw/acpi/acpi-defs.h | 13 ++++++++++++- >>> >> 2 files changed, 19 insertions(+), 1 deletion(-) >>> >> >>> >> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c >>> >> index 28fc59c..6cfedff 100644 >>> >> --- a/hw/arm/virt-acpi-build.c >>> >> +++ b/hw/arm/virt-acpi-build.c >>> >> @@ -546,6 +546,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) >>> >> } >>> >> >>> >> if (guest_info->gic_version == 3) { >>> >> + AcpiMadtGicIts *gic_its; >>> >> AcpiMadtGenericRedistributor *gicr = acpi_data_push(table_data, >>> >> sizeof *gicr); >>> >> >>> >> @@ -553,6 +554,12 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) >>> >> gicr->length = sizeof(*gicr); >>> >> gicr->base_address = cpu_to_le64(memmap[VIRT_GIC_REDIST].base); >>> >> gicr->range_length = cpu_to_le32(memmap[VIRT_GIC_REDIST].size); >>> >> + >>> >> + gic_its = acpi_data_push(table_data, sizeof *gic_its); >>> >> + gic_its->type = ACPI_APIC_ITS_STRUCTURE; >>> >> + gic_its->length = sizeof(*gic_its); >>> >> + gic_its->gic_its_id = 0; >>> >> + gic_its->base_address = cpu_to_le64(memmap[VIRT_GIC_ITS].base); >> > Since for TCG it doesn't support ITS yet, it should check here using >> > its_class_name(). >> > >>> >> } else { >>> >> gic_msi = acpi_data_push(table_data, sizeof *gic_msi); >>> >> gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME; >>> >> diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h >>> >> index 41c1d95..ba3be1e 100644 >>> >> --- a/include/hw/acpi/acpi-defs.h >>> >> +++ b/include/hw/acpi/acpi-defs.h >>> >> @@ -294,7 +294,8 @@ typedef struct AcpiMultipleApicTable AcpiMultipleApicTable; >>> >> #define ACPI_APIC_GENERIC_DISTRIBUTOR 12 >>> >> #define ACPI_APIC_GENERIC_MSI_FRAME 13 >>> >> #define ACPI_APIC_GENERIC_REDISTRIBUTOR 14 >>> >> -#define ACPI_APIC_RESERVED 15 /* 15 and greater are reserved */ >>> >> +#define ACPI_APIC_ITS_STRUCTURE 15 >> > use ACPI_APIC_GENERIC_TRANSLATOR instead. >> > >>> >> +#define ACPI_APIC_RESERVED 16 /* 16 and greater are reserved */ >>> >> >>> >> /* >>> >> * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE) >>> >> @@ -386,6 +387,16 @@ struct AcpiMadtGenericMsiFrame { >>> >> >>> >> typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame; >>> >> >>> >> +struct AcpiMadtGicIts { >>> >> + ACPI_SUB_HEADER_DEF >>> >> + uint16_t reserved; >>> >> + uint32_t gic_its_id; >>> >> + uint64_t base_address; >>> >> + uint32_t reserved2; >>> >> +} QEMU_PACKED; >>> >> + >>> >> +typedef struct AcpiMadtGicIts AcpiMadtGicIts; >>> >> + >> > Define it like below to respect the name in linux kernel and also keep >> > consistent with other structures. >> > >> > +struct AcpiMadtGenericTranslator { >> > + ACPI_SUB_HEADER_DEF >> > + uint16_t reserved; >> > + uint32_t translation_id; >> > + uint64_t base_address; >> > + uint32_t reserved2; >> > +} QEMU_PACKED; >> > + >> > +typedef struct AcpiMadtGenericTranslator AcpiMadtGenericTranslator; >> > >> > BTW, you could have a look at [1] which I sent before. >> > >> > [1] https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06282.html > Hum sorry, please apologize. I was not aware of those. Do you want to > respin or shall I respin mine taking into account your comments and > changing the author. Besides, thanks for the review. Never mind. I think you can respin yours. Thanks,
Hi Shannon, On 03/08/2016 10:50, Shannon Zhao wrote: > > > On 2016/8/3 15:22, Auger Eric wrote: >> Hi Shannon, >> >> On 03/08/2016 02:56, Shannon Zhao wrote: >>>> Hi Eric, >>>> >>>> On 2016/8/3 2:07, Eric Auger wrote: >>>>>> This patch exposes the GICv3 ITS to the ACPI guest. The ITS structure >>>>>> is added to the MADT table. >>>>>> >>>>>> Signed-off-by: Eric Auger <eric.auger@redhat.com> >>>>>> >>>>>> --- >>>>>> >>>>>> v5: new >>>>>> >>>>>> Tested with Tomasz' kernel series on guest side: >>>>>> - [PATCH V7 0/8] Introduce ACPI world to ITS, >>>>>> https://lkml.org/lkml/2016/6/20/321 >>>>>> - for running PCIe on the guest (virtio-pci-net or vhost-net) >>>>>> the following series is also needed, although not directly ITS: >>>>>> Support for ARM64 ACPI based PCI host controller, >>>>>> https://lwn.net/Articles/690995/ >>>>>> --- >>>>>> hw/arm/virt-acpi-build.c | 7 +++++++ >>>>>> include/hw/acpi/acpi-defs.h | 13 ++++++++++++- >>>>>> 2 files changed, 19 insertions(+), 1 deletion(-) >>>>>> >>>>>> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c >>>>>> index 28fc59c..6cfedff 100644 >>>>>> --- a/hw/arm/virt-acpi-build.c >>>>>> +++ b/hw/arm/virt-acpi-build.c >>>>>> @@ -546,6 +546,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) >>>>>> } >>>>>> >>>>>> if (guest_info->gic_version == 3) { >>>>>> + AcpiMadtGicIts *gic_its; >>>>>> AcpiMadtGenericRedistributor *gicr = acpi_data_push(table_data, >>>>>> sizeof *gicr); >>>>>> >>>>>> @@ -553,6 +554,12 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) >>>>>> gicr->length = sizeof(*gicr); >>>>>> gicr->base_address = cpu_to_le64(memmap[VIRT_GIC_REDIST].base); >>>>>> gicr->range_length = cpu_to_le32(memmap[VIRT_GIC_REDIST].size); >>>>>> + >>>>>> + gic_its = acpi_data_push(table_data, sizeof *gic_its); >>>>>> + gic_its->type = ACPI_APIC_ITS_STRUCTURE; >>>>>> + gic_its->length = sizeof(*gic_its); >>>>>> + gic_its->gic_its_id = 0; >>>>>> + gic_its->base_address = cpu_to_le64(memmap[VIRT_GIC_ITS].base); >>>> Since for TCG it doesn't support ITS yet, it should check here using >>>> its_class_name(). >>>> >>>>>> } else { >>>>>> gic_msi = acpi_data_push(table_data, sizeof *gic_msi); >>>>>> gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME; >>>>>> diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h >>>>>> index 41c1d95..ba3be1e 100644 >>>>>> --- a/include/hw/acpi/acpi-defs.h >>>>>> +++ b/include/hw/acpi/acpi-defs.h >>>>>> @@ -294,7 +294,8 @@ typedef struct AcpiMultipleApicTable AcpiMultipleApicTable; >>>>>> #define ACPI_APIC_GENERIC_DISTRIBUTOR 12 >>>>>> #define ACPI_APIC_GENERIC_MSI_FRAME 13 >>>>>> #define ACPI_APIC_GENERIC_REDISTRIBUTOR 14 >>>>>> -#define ACPI_APIC_RESERVED 15 /* 15 and greater are reserved */ >>>>>> +#define ACPI_APIC_ITS_STRUCTURE 15 >>>> use ACPI_APIC_GENERIC_TRANSLATOR instead. >>>> >>>>>> +#define ACPI_APIC_RESERVED 16 /* 16 and greater are reserved */ >>>>>> >>>>>> /* >>>>>> * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE) >>>>>> @@ -386,6 +387,16 @@ struct AcpiMadtGenericMsiFrame { >>>>>> >>>>>> typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame; >>>>>> >>>>>> +struct AcpiMadtGicIts { >>>>>> + ACPI_SUB_HEADER_DEF >>>>>> + uint16_t reserved; >>>>>> + uint32_t gic_its_id; >>>>>> + uint64_t base_address; >>>>>> + uint32_t reserved2; >>>>>> +} QEMU_PACKED; >>>>>> + >>>>>> +typedef struct AcpiMadtGicIts AcpiMadtGicIts; >>>>>> + >>>> Define it like below to respect the name in linux kernel and also keep >>>> consistent with other structures. >>>> >>>> +struct AcpiMadtGenericTranslator { >>>> + ACPI_SUB_HEADER_DEF >>>> + uint16_t reserved; >>>> + uint32_t translation_id; >>>> + uint64_t base_address; >>>> + uint32_t reserved2; >>>> +} QEMU_PACKED; >>>> + >>>> +typedef struct AcpiMadtGenericTranslator AcpiMadtGenericTranslator; >>>> >>>> BTW, you could have a look at [1] which I sent before. >>>> >>>> [1] https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06282.html >> Hum sorry, please apologize. I was not aware of those. Do you want to >> respin or shall I respin mine taking into account your comments and >> changing the author. Besides, thanks for the review. > Never mind. I think you can respin yours. OK thanks. Eric > > Thanks, >
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 28fc59c..6cfedff 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -546,6 +546,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) } if (guest_info->gic_version == 3) { + AcpiMadtGicIts *gic_its; AcpiMadtGenericRedistributor *gicr = acpi_data_push(table_data, sizeof *gicr); @@ -553,6 +554,12 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info) gicr->length = sizeof(*gicr); gicr->base_address = cpu_to_le64(memmap[VIRT_GIC_REDIST].base); gicr->range_length = cpu_to_le32(memmap[VIRT_GIC_REDIST].size); + + gic_its = acpi_data_push(table_data, sizeof *gic_its); + gic_its->type = ACPI_APIC_ITS_STRUCTURE; + gic_its->length = sizeof(*gic_its); + gic_its->gic_its_id = 0; + gic_its->base_address = cpu_to_le64(memmap[VIRT_GIC_ITS].base); } else { gic_msi = acpi_data_push(table_data, sizeof *gic_msi); gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME; diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index 41c1d95..ba3be1e 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -294,7 +294,8 @@ typedef struct AcpiMultipleApicTable AcpiMultipleApicTable; #define ACPI_APIC_GENERIC_DISTRIBUTOR 12 #define ACPI_APIC_GENERIC_MSI_FRAME 13 #define ACPI_APIC_GENERIC_REDISTRIBUTOR 14 -#define ACPI_APIC_RESERVED 15 /* 15 and greater are reserved */ +#define ACPI_APIC_ITS_STRUCTURE 15 +#define ACPI_APIC_RESERVED 16 /* 16 and greater are reserved */ /* * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE) @@ -386,6 +387,16 @@ struct AcpiMadtGenericMsiFrame { typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame; +struct AcpiMadtGicIts { + ACPI_SUB_HEADER_DEF + uint16_t reserved; + uint32_t gic_its_id; + uint64_t base_address; + uint32_t reserved2; +} QEMU_PACKED; + +typedef struct AcpiMadtGicIts AcpiMadtGicIts; + struct AcpiMadtGenericRedistributor { ACPI_SUB_HEADER_DEF uint16_t reserved;
This patch exposes the GICv3 ITS to the ACPI guest. The ITS structure is added to the MADT table. Signed-off-by: Eric Auger <eric.auger@redhat.com> --- v5: new Tested with Tomasz' kernel series on guest side: - [PATCH V7 0/8] Introduce ACPI world to ITS, https://lkml.org/lkml/2016/6/20/321 - for running PCIe on the guest (virtio-pci-net or vhost-net) the following series is also needed, although not directly ITS: Support for ARM64 ACPI based PCI host controller, https://lwn.net/Articles/690995/ --- hw/arm/virt-acpi-build.c | 7 +++++++ include/hw/acpi/acpi-defs.h | 13 ++++++++++++- 2 files changed, 19 insertions(+), 1 deletion(-)