diff options
| author | Nico Huber <nico.huber@secunet.com> | 2015-10-26 11:51:25 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-11-04 16:14:06 +0100 |
| commit | e561f35fa5126e89b568292864acd8b9b95377e0 (patch) | |
| tree | 6cd616c752206eda292875d955fea473679e1e9b /src | |
| parent | 50a29f8170737acddbac11213e0bd017cf3c48dc (diff) | |
ACPI: Make DMAR flags settable
Add a parameter to acpi_create_dmar() for the flags field and define
flags given by the spec [1].
[1] Intel Virtualization Technology for Directed I/O
Architecture Specification
Document-Number: D51397
Change-Id: I03ae32f13bb0061bd3b9bef607db175d9b0bc5e1
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/12191
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@google.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/acpi.c | 4 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/acpi.h | 7 | ||||
| -rw-r--r-- | src/northbridge/intel/gm45/acpi.c | 2 |
3 files changed, 9 insertions, 4 deletions
diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c index 417a322796..1570dc8d07 100644 --- a/src/arch/x86/acpi.c +++ b/src/arch/x86/acpi.c @@ -389,7 +389,7 @@ void acpi_create_srat(acpi_srat_t *srat, header->checksum = acpi_checksum((void *)srat, header->length); } -void acpi_create_dmar(acpi_dmar_t *dmar, +void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags, unsigned long (*acpi_fill_dmar) (unsigned long)) { acpi_header_t *header = &(dmar->header); @@ -407,7 +407,7 @@ void acpi_create_dmar(acpi_dmar_t *dmar, header->revision = 1; dmar->host_address_width = 40 - 1; /* FIXME: == MTRR size? */ - dmar->flags = 0; + dmar->flags = flags; current = acpi_fill_dmar(current); diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h index d4bacf5675..2a7ea79e01 100644 --- a/src/arch/x86/include/arch/acpi.h +++ b/src/arch/x86/include/arch/acpi.h @@ -220,6 +220,11 @@ enum { DRHD_INCLUDE_PCI_ALL = 1 }; +enum dmar_flags { + DMAR_INTR_REMAP = 1, + DMAR_X2APIC_OPT_OUT = 2, +}; + typedef struct dmar_entry { u16 type; u16 length; @@ -543,7 +548,7 @@ void acpi_create_mcfg(acpi_mcfg_t *mcfg); void acpi_create_facs(acpi_facs_t *facs); -void acpi_create_dmar(acpi_dmar_t *dmar, +void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags, unsigned long (*acpi_fill_dmar) (unsigned long)); unsigned long acpi_create_dmar_drhd(unsigned long current, u8 flags, u16 segment, u32 bar); diff --git a/src/northbridge/intel/gm45/acpi.c b/src/northbridge/intel/gm45/acpi.c index 5140b9c30a..21a8cd5102 100644 --- a/src/northbridge/intel/gm45/acpi.c +++ b/src/northbridge/intel/gm45/acpi.c @@ -116,7 +116,7 @@ unsigned long northbridge_write_acpi_tables(device_t device, printk(BIOS_DEBUG, "ACPI: * DMAR\n"); dmar = (acpi_dmar_t *) current; - acpi_create_dmar(dmar, acpi_fill_dmar); + acpi_create_dmar(dmar, 0, acpi_fill_dmar); current += dmar->header.length; ALIGN_CURRENT; acpi_add_table(rsdp, dmar); |