summaryrefslogtreecommitdiffstats
path: root/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0112-arch-x86-acpi-Add-IVRS-table-generation-routines.patch
diff options
context:
space:
mode:
Diffstat (limited to 'resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0112-arch-x86-acpi-Add-IVRS-table-generation-routines.patch')
-rw-r--r--resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0112-arch-x86-acpi-Add-IVRS-table-generation-routines.patch121
1 files changed, 121 insertions, 0 deletions
diff --git a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0112-arch-x86-acpi-Add-IVRS-table-generation-routines.patch b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0112-arch-x86-acpi-Add-IVRS-table-generation-routines.patch
new file mode 100644
index 0000000..dd83072
--- /dev/null
+++ b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0112-arch-x86-acpi-Add-IVRS-table-generation-routines.patch
@@ -0,0 +1,121 @@
+From 5152908b5fd0983ed36b2a5e35ebcf510cd31727 Mon Sep 17 00:00:00 2001
+From: Timothy Pearson <tpearson@raptorengineeringinc.com>
+Date: Tue, 11 Aug 2015 17:48:32 -0500
+Subject: [PATCH 112/143] arch/x86/acpi: Add IVRS table generation routines
+
+Change-Id: Ia5d97d01dc9ddc45f81d998d126d592a915b4a75
+Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
+---
+ src/arch/x86/acpi.c | 25 +++++++++++++++++++++++++
+ src/arch/x86/include/arch/acpi.h | 31 +++++++++++++++++++++++++++++++
+ 2 files changed, 56 insertions(+)
+
+diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c
+index 417a322..e73e5f2 100644
+--- a/src/arch/x86/acpi.c
++++ b/src/arch/x86/acpi.c
+@@ -6,6 +6,7 @@
+ *
+ * Copyright (C) 2004 SUSE LINUX AG
+ * Copyright (C) 2005-2009 coresystems GmbH
++ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
+ *
+ * ACPI FADT, FACS, and DSDT table support added by
+ * Nick Barker <nick.barker9@btinternet.com>, and those portions
+@@ -506,6 +507,30 @@ void acpi_create_hpet(acpi_hpet_t *hpet)
+ header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t));
+ }
+
++void acpi_create_ivrs(acpi_ivrs_t *ivrs,
++ unsigned long (*acpi_fill_ivrs)(acpi_ivrs_t* ivrs_struct, unsigned long current))
++{
++ acpi_header_t *header = &(ivrs->header);
++ unsigned long current = (unsigned long)ivrs + sizeof(acpi_ivrs_t);
++
++ memset((void *)ivrs, 0, sizeof(acpi_ivrs_t));
++
++ /* Fill out header fields. */
++ memcpy(header->signature, "IVRS", 4);
++ memcpy(header->oem_id, OEM_ID, 6);
++ memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
++ memcpy(header->asl_compiler_id, ASLC, 4);
++
++ header->length = sizeof(acpi_ivrs_t);
++ header->revision = 1; /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */
++
++ current = acpi_fill_ivrs(ivrs, current);
++
++ /* (Re)calculate length and checksum. */
++ header->length = current - (unsigned long)ivrs;
++ header->checksum = acpi_checksum((void *)ivrs, header->length);
++}
++
+ unsigned long acpi_write_hpet(device_t device, unsigned long current, acpi_rsdp_t *rsdp)
+ {
+ acpi_hpet_t *hpet;
+diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
+index 28f650c..7d583b8 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
+@@ -194,6 +195,32 @@ 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,
+@@ -497,6 +524,7 @@ 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)
+@@ -535,6 +563,9 @@ 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);
+--
+1.7.9.5
+