[coreboot-gerrit] Change in coreboot[master]: arch/x86/acpi: add definitions for IVHD type 11h

[Michał Żygowski (Code Review)]

Michał Żygowski has submitted this change. ( https://review.coreboot.org/c/coreboot/+/40041 )

Change subject: arch/x86/acpi: add definitions for IVHD type 11h
......................................................................

arch/x86/acpi: add definitions for IVHD type 11h

Add definitions of I/O Virtualization Hardware Definition Block
type 11h structures for ACPI I/O Virtualization Reporting Structure
generation.

Signed-off-by: Michał Żygowski 
Change-Id: I698ac6f6a2e0bc5736fbb14ef583bbe031baee28
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40041
Reviewed-by: Paul Menzel 
Reviewed-by: HAOUAS Elyes 
Reviewed-by: Angel Pons 
Tested-by: build bot (Jenkins) 
---
M src/arch/x86/include/arch/acpi.h
M src/arch/x86/include/arch/acpi_ivrs.h
2 files changed, 60 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Paul Menzel: Looks good to me, but someone else must approve
  HAOUAS Elyes: Looks good to me, approved
  Angel Pons: Looks good to me, approved

diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index d5040ad..644f52f 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -290,6 +290,33 @@
    struct acpi_ivrs_ivhd ivhd;
 } __packed acpi_ivrs_t;

+/* IVHD Type 11h IOMMU Attributes */
+typedef struct ivhd11_iommu_attr {
+	uint32_t reserved1 : 13;
+	uint32_t perf_counters : 4;
+	uint32_t perf_counter_banks : 6;
+	uint32_t msi_num_ppr : 5;
+	uint32_t reserved2 : 4;
+} __packed ivhd11_iommu_attr_t;
+
+/* IVRS IVHD (I/O Virtualization Hardware Definition Block) Type 11h */
+typedef struct acpi_ivrs_ivhd_11 {
+	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;
+	struct ivhd11_iommu_attr iommu_attributes;
+	uint32_t efr_reg_image_low;
+	uint32_t efr_reg_image_high;
+	uint32_t reserved[2];
+	uint8_t entry[0];
+} __packed acpi_ivrs_ivhd11_t;
+
 enum dev_scope_type {
    SCOPE_PCI_ENDPOINT = 1,
    SCOPE_PCI_SUB = 2,
diff --git a/src/arch/x86/include/arch/acpi_ivrs.h b/src/arch/x86/include/arch/acpi_ivrs.h
index d8d62d4..83abfb6 100644
--- a/src/arch/x86/include/arch/acpi_ivrs.h
+++ b/src/arch/x86/include/arch/acpi_ivrs.h
@@ -107,4 +107,37 @@
 #define IVHD_UID_INT				0x01
 #define IVHD_UID_STRING				0x02

+/* IVHD (I/O Virtualization Hardware Definition Block) 4-byte entry */
+typedef struct ivrs_ivhd_generic {
+	uint8_t type;
+	uint16_t dev_id;
+	uint8_t dte_setting;
+} __packed ivrs_ivhd_generic_t;
+
+/* IVHD (I/O Virtualization Hardware Definition Block) 8-byte entries */
+typedef struct ivrs_ivhd_alias {
+	uint8_t type;
+	uint16_t dev_id;
+	uint8_t dte_setting;
+	uint8_t reserved1;
+	uint16_t source_dev_id;
+	uint8_t reserved2;
+} __packed ivrs_ivhd_alias_t;
+
+typedef struct ivrs_ivhd_extended {
+	uint8_t type;
+	uint16_t dev_id;
+	uint8_t dte_setting;
+	uint32_t extended_dte_setting;
+} __packed ivrs_ivhd_extended_t;
+
+typedef struct ivrs_ivhd_special {
+	uint8_t type;
+	uint16_t reserved;
+	uint8_t dte_setting;
+	uint8_t handle;
+	uint16_t source_dev_id;
+	uint8_t variety;
+} __packed ivrs_ivhd_special_t;
+
 #endif