ACPI 6.2A Table 5-129 "SPA Range Structure" requires the proximity domain of a NVDIMM SPA range must match with corresponding entry in SRAT table.
The address ranges of vNVDIMM in QEMU are allocated from the hot-pluggable address space, which is entirely covered by one SRAT memory affinity structure. However, users can set the vNVDIMM proximity domain in NFIT SPA range structure by the 'node' property of '-device nvdimm' to a value different than the one in the above SRAT memory affinity structure. In order to solve such proximity domain mismatch, this patch builds one SRAT memory affinity structure for each static-plugged DIMM device, including both PC-DIMM and NVDIMM, with the proximity domain specified in '-device pc-dimm' or '-device nvdimm'. The remaining hot-pluggable address space is covered by one or multiple SRAT memory affinity structures with the proximity domain of the last node as before. Changes in v2: * Build SRAT memory affinity structures of PC-DIMM devices as well. * Add test cases. Haozhong Zhang (3): hw/acpi-build: build SRAT memory affinity structures for DIMM devices tests/bios-tables-test: allow setting extra machine options tests/bios-tables-test: add test cases for DIMM proximity hw/i386/acpi-build.c | 50 ++++++++++++++++++++-- hw/mem/pc-dimm.c | 8 ++++ include/hw/mem/pc-dimm.h | 10 +++++ tests/acpi-test-data/pc/APIC.dimmpxm | Bin 0 -> 136 bytes tests/acpi-test-data/pc/DSDT.dimmpxm | Bin 0 -> 6710 bytes tests/acpi-test-data/pc/NFIT.dimmpxm | Bin 0 -> 224 bytes tests/acpi-test-data/pc/SRAT.dimmpxm | Bin 0 -> 416 bytes tests/acpi-test-data/pc/SSDT.dimmpxm | Bin 0 -> 685 bytes tests/acpi-test-data/q35/APIC.dimmpxm | Bin 0 -> 136 bytes tests/acpi-test-data/q35/DSDT.dimmpxm | Bin 0 -> 9394 bytes tests/acpi-test-data/q35/NFIT.dimmpxm | Bin 0 -> 224 bytes tests/acpi-test-data/q35/SRAT.dimmpxm | Bin 0 -> 416 bytes tests/acpi-test-data/q35/SSDT.dimmpxm | Bin 0 -> 685 bytes tests/bios-tables-test.c | 78 +++++++++++++++++++++++++++------- 14 files changed, 126 insertions(+), 20 deletions(-) create mode 100644 tests/acpi-test-data/pc/APIC.dimmpxm create mode 100644 tests/acpi-test-data/pc/DSDT.dimmpxm create mode 100644 tests/acpi-test-data/pc/NFIT.dimmpxm create mode 100644 tests/acpi-test-data/pc/SRAT.dimmpxm create mode 100644 tests/acpi-test-data/pc/SSDT.dimmpxm create mode 100644 tests/acpi-test-data/q35/APIC.dimmpxm create mode 100644 tests/acpi-test-data/q35/DSDT.dimmpxm create mode 100644 tests/acpi-test-data/q35/NFIT.dimmpxm create mode 100644 tests/acpi-test-data/q35/SRAT.dimmpxm create mode 100644 tests/acpi-test-data/q35/SSDT.dimmpxm -- 2.14.1
