diff options
| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-08-11 17:48:32 -0500 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2015-11-23 23:00:30 +0100 |
| commit | ff8ccf05b04714ae86ed947841de718699a09d2c (patch) | |
| tree | 55ed41df89a7b044b5279725f0c6e561e3c3044e /src/arch/x86/include | |
| parent | a52d5d1269bdf82af76de78e0e27f9c6acce1fab (diff) | |
arch/x86/acpi: Add IVRS table generation routines
Change-Id: Ia5d97d01dc9ddc45f81d998d126d592a915b4a75
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/12043
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/arch/x86/include')
| -rw-r--r-- | src/arch/x86/include/arch/acpi.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h index 87810b6b44..79ae7edb83 100644 --- a/src/arch/x86/include/arch/acpi.h +++ b/src/arch/x86/include/arch/acpi.h @@ -4,6 +4,7 @@ * Copyright (C) 2004 SUSE LINUX AG * Copyright (C) 2004 Nick Barker * Copyright (C) 2008-2009 coresystems GmbH + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * (Written by Stefan Reinauer <stepan@coresystems.de>) * * This program is free software; you can redistribute it and/or modify @@ -190,6 +191,32 @@ typedef struct acpi_madt { u32 flags; /* Multiple APIC flags */ } __attribute__ ((packed)) acpi_madt_t; +typedef struct acpi_ivrs_info { +} __attribute__ ((packed)) acpi_ivrs_info_t; + +/* IVRS IVHD (I/O Virtualization Hardware Definition Block) */ +typedef struct acpi_ivrs_ivhd { + uint8_t type; + uint8_t flags; + uint16_t length; + uint16_t device_id; + uint16_t capability_offset; + uint32_t iommu_base_low; + uint32_t iommu_base_high; + uint16_t pci_segment_group; + uint16_t iommu_info; + uint32_t efr; + uint8_t entry[0]; +} __attribute__ ((packed)) acpi_ivrs_ivhd_t; + +/* IVRS (I/O Virtualization Reporting Structure) */ +typedef struct acpi_ivrs { + struct acpi_table_header header; + uint32_t iv_info; + uint32_t reserved[2]; + struct acpi_ivrs_ivhd ivhd; +} __attribute__ ((packed)) acpi_ivrs_t; + enum dev_scope_type { SCOPE_PCI_ENDPOINT = 1, SCOPE_PCI_SUB = 2, @@ -498,6 +525,7 @@ unsigned long fw_cfg_acpi_tables(unsigned long start); unsigned long write_acpi_tables(unsigned long addr); unsigned long acpi_fill_madt(unsigned long current); unsigned long acpi_fill_mcfg(unsigned long current); +unsigned long acpi_fill_ivrs_ioapic(acpi_ivrs_t* ivrs, unsigned long current); void acpi_create_ssdt_generator(acpi_header_t *ssdt, const char *oem_table_id); void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs, void *dsdt); #if IS_ENABLED(CONFIG_COMMON_FADT) @@ -536,6 +564,9 @@ void acpi_create_srat(acpi_srat_t *srat, void acpi_create_slit(acpi_slit_t *slit, unsigned long (*acpi_fill_slit)(unsigned long current)); +void acpi_create_ivrs(acpi_ivrs_t *ivrs, + unsigned long (*acpi_fill_ivrs)(acpi_ivrs_t* ivrs_struct, unsigned long current)); + #if ENV_RAMSTAGE void acpi_create_hpet(acpi_hpet_t *hpet); unsigned long acpi_write_hpet(device_t device, unsigned long start, acpi_rsdp_t *rsdp); |