From mboxrd@z Thu Jan 1 00:00:00 1970 From: Parth Dixit Subject: Re: [PATCH v2 09/41] arm/acpi : Add Generic Interrupt and Distributor struct Date: Sun, 5 Jul 2015 18:36:22 +0530 Message-ID: References: <1431893048-5214-1-git-send-email-parth.dixit@linaro.org> <1431893048-5214-10-git-send-email-parth.dixit@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1431893048-5214-10-git-send-email-parth.dixit@linaro.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel Cc: keir@xen.org, Ian Campbell , andrew.cooper3@citrix.com, tim@xen.org, Julien Grall , Stefano Stabellini , shannon.zhao@linaro.org, Jan Beulich , Parth Dixit , Christoffer Dall List-Id: xen-devel@lists.xenproject.org +shannon On 18 May 2015 at 01:33, Parth Dixit wrote: > Add Generic Interrupt and Distributor (ACPI 5.0) structure. > Add new features for MADT introduced by ACPI 5.1. > Comment on the GIC ID field of the GIC structure which is replaced > by CPU Interface Number. > Add new fields: Redistributor Base Address, GICV, GICH, and MPIDR. > Add new structures for GIC MSI frame and GICR. > Add flag definition for GICC flags. > > Signed-off-by: Tomasz Nowicki > Signed-off-by: Hanjun Guo > Signed-off-by: Naresh Bhat > Signed-off-by: Parth Dixit > --- > xen/include/acpi/actbl1.h | 62 +++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 60 insertions(+), 2 deletions(-) > > diff --git a/xen/include/acpi/actbl1.h b/xen/include/acpi/actbl1.h > index 9311e3a..2d72d8a 100644 > --- a/xen/include/acpi/actbl1.h > +++ b/xen/include/acpi/actbl1.h > @@ -639,7 +639,11 @@ enum acpi_madt_type { > ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8, > ACPI_MADT_TYPE_LOCAL_X2APIC = 9, > ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10, > - ACPI_MADT_TYPE_RESERVED = 11 /* 11 and greater are reserved */ > + ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11, > + ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12, > + ACPI_MADT_TYPE_GIC_MSI_FRAME = 13, > + ACPI_MADT_TYPE_GIC_REDISTRIBUTOR = 14, > + ACPI_MADT_TYPE_RESERVED = 15 /* 15 and greater are reserved */ > }; > > /* > @@ -760,14 +764,68 @@ struct acpi_madt_local_x2apic_nmi { > u8 reserved[3]; > }; > > +/* 11: Generic Interrupt (ACPI 5.1) */ > + > +struct acpi_madt_generic_interrupt { > + struct acpi_subtable_header header; > + u16 reserved; /* reserved - must be zero */ > + u32 gic_id; /* it was renamed to cpu interface number in ACPI 5.1 */ > + u32 uid; > + u32 flags; > + u32 parking_version; > + u32 performance_interrupt; > + u64 parked_address; > + u64 base_address; > + u64 gicv_base_address; > + u64 gich_base_address; > + u32 vgic_maintenance_interrupt; > + u64 redist_base_address; > + u64 mpidr; > + > +}; > + > +/* 12: Generic Distributor (ACPI 5.0) */ > + > +struct acpi_madt_generic_distributor { > + struct acpi_subtable_header header; > + u16 reserved; /* reserved - must be zero */ > + u32 gic_id; > + u64 base_address; > + u32 global_irq_base; > + u32 reserved2; /* reserved - must be zero */ > +}; > + > +/* 13: GIC MSI Frame (ACPI 5.1) */ > + > +struct acpi_madt_gic_msi_frame { > + struct acpi_subtable_header header; > + u16 reserved; /* reserved - must be zero */ > + u32 gic_msi_frame_id; > + u64 base_address; > +}; > + > +/* 14: GIC Redistributor (ACPI 5.1) */ > + > +struct acpi_madt_gic_redistributor { > + struct acpi_subtable_header header; > + u16 reserved; /* reserved - must be zero */ > + u64 base_address; > + u32 region_size; > +}; > + > /* > * Common flags fields for MADT subtables > */ > > -/* MADT Local APIC flags (lapic_flags) */ > +/* MADT Local APIC flags (lapic_flags) and GICC flags */ > > #define ACPI_MADT_ENABLED (1) /* 00: Processor is usable if set */ > > +/* MADT GICC flags only */ > + > +#define ACPI_MADT_PERF_INT_MODE (1<<1) /* 01: Performance Interrupt Mode */ > +#define ACPI_MADT_VGIC (1<<2) /* 02: VGIC Maintenance interrupt mode */ > + > /* MADT MPS INTI flags (inti_flags) */ > > #define ACPI_MADT_POLARITY_MASK (3) /* 00-01: Polarity of APIC I/O input signals */ > -- > 1.9.1 >