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ACPICA: IORT: Add in support for the SMMUv3 subtable 

ACPICA commit 9f7c3e148f440049615e2791d73b292f65692d7e

The most recent version of the IORT specification adds in a definition
for a subtable to describe SMMUv3 devices; there is already a subtable
for SMMUv1/v2 devices.

Add in the definition of the subtable, add in the code to compile it,
and add in a template for it.

Link: https://github.com/acpica/acpica/commit/9f7c3e14
Signed-off-by: Al Stone <ahs3@redhat.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Al Stone 2016-03-24 09:39:07 +08:00 committed by Rafael J. Wysocki
parent 7cd55c76f3
commit 4ac78baf88
1 changed files with 20 additions and 2 deletions
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22
include/acpi/actbl2.h
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@ -660,7 +660,7 @@ struct acpi_ibft_target {
* IORT - IO Remapping Table
*
* Conforms to "IO Remapping Table System Software on ARM Platforms",
* Document number: ARM DEN 0049A, 2015
* Document number: ARM DEN 0049B, October 2015
*
******************************************************************************/
@ -690,7 +690,8 @@ enum acpi_iort_node_type {
ACPI_IORT_NODE_ITS_GROUP = 0x00,
ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
ACPI_IORT_NODE_SMMU = 0x03
ACPI_IORT_NODE_SMMU = 0x03,
ACPI_IORT_NODE_SMMU_V3 = 0x04
};
struct acpi_iort_id_mapping {
@ -780,6 +781,23 @@ struct acpi_iort_smmu {
#define ACPI_IORT_SMMU_DVM_SUPPORTED (1)
#define ACPI_IORT_SMMU_COHERENT_WALK (1<<1)
struct acpi_iort_smmu_v3 {
u64 base_address; /* SMMUv3 base address */
u32 flags;
u32 reserved;
u64 vatos_address;
u32 model; /* O: generic SMMUv3 */
u32 event_gsiv;
u32 pri_gsiv;
u32 gerr_gsiv;
u32 sync_gsiv;
};
/* Masks for Flags field above */
#define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE (1)
#define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE (1<<1)
/*******************************************************************************
*
* IVRS - I/O Virtualization Reporting Structure