From: Kwangwoo Lee <kwangwoo....@sk.com> This patch uses configurable IO base and size to create NPIO AML for ACPI NFIT. Since a different architecture like AArch64 does not use port-mapped IO, a configurable IO base is required to create correct mapping of ACPI IO address and size.
Signed-off-by: Kwangwoo Lee <kwangwoo....@sk.com> Signed-off-by: Eric Auger <eric.au...@redhat.com> --- v6 -> v7: - Use NvdimmDsmIO constant - use AcpiGenericAddress instead of AcpiNVDIMMIOEntry v2 -> v3: - s/size/len in pc_piix.c and pc_q35.c --- hw/acpi/nvdimm.c | 31 ++++++++++++++++++++++--------- hw/i386/pc_piix.c | 6 +++++- hw/i386/pc_q35.c | 6 +++++- include/hw/mem/nvdimm.h | 4 ++++ 4 files changed, 36 insertions(+), 11 deletions(-) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index e53b2cb681..fddc790945 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -33,6 +33,9 @@ #include "hw/nvram/fw_cfg.h" #include "hw/mem/nvdimm.h" +const struct AcpiGenericAddress NvdimmDsmIO = { .space_id = AML_AS_SYSTEM_IO, + .bit_width = NVDIMM_ACPI_IO_LEN << 3, .address = NVDIMM_ACPI_IO_BASE}; + static int nvdimm_device_list(Object *obj, void *opaque) { GSList **list = opaque; @@ -929,8 +932,8 @@ void nvdimm_init_acpi_state(AcpiNVDIMMState *state, MemoryRegion *io, FWCfgState *fw_cfg, Object *owner) { memory_region_init_io(&state->io_mr, owner, &nvdimm_dsm_ops, state, - "nvdimm-acpi-io", NVDIMM_ACPI_IO_LEN); - memory_region_add_subregion(io, NVDIMM_ACPI_IO_BASE, &state->io_mr); + "nvdimm-acpi-io", state->dsm_io.bit_width >> 3); + memory_region_add_subregion(io, state->dsm_io.address, &state->io_mr); state->dsm_mem = g_array_new(false, true /* clear */, 1); acpi_data_push(state->dsm_mem, sizeof(NvdimmDsmIn)); @@ -959,12 +962,14 @@ void nvdimm_init_acpi_state(AcpiNVDIMMState *state, MemoryRegion *io, #define NVDIMM_QEMU_RSVD_UUID "648B9CF2-CDA1-4312-8AD9-49C4AF32BD62" -static void nvdimm_build_common_dsm(Aml *dev) +static void nvdimm_build_common_dsm(Aml *dev, + AcpiNVDIMMState *acpi_nvdimm_state) { Aml *method, *ifctx, *function, *handle, *uuid, *dsm_mem, *elsectx2; Aml *elsectx, *unsupport, *unpatched, *expected_uuid, *uuid_invalid; Aml *pckg, *pckg_index, *pckg_buf, *field, *dsm_out_buf, *dsm_out_buf_size; uint8_t byte_list[1]; + AmlRegionSpace rs; method = aml_method(NVDIMM_COMMON_DSM, 5, AML_SERIALIZED); uuid = aml_arg(0); @@ -975,9 +980,16 @@ static void nvdimm_build_common_dsm(Aml *dev) aml_append(method, aml_store(aml_name(NVDIMM_ACPI_MEM_ADDR), dsm_mem)); + if (acpi_nvdimm_state->dsm_io.space_id == AML_AS_SYSTEM_IO) { + rs = AML_SYSTEM_IO; + } else { + rs = AML_SYSTEM_MEMORY; + } + /* map DSM memory and IO into ACPI namespace. */ - aml_append(method, aml_operation_region(NVDIMM_DSM_IOPORT, AML_SYSTEM_IO, - aml_int(NVDIMM_ACPI_IO_BASE), NVDIMM_ACPI_IO_LEN)); + aml_append(method, aml_operation_region(NVDIMM_DSM_IOPORT, rs, + aml_int(acpi_nvdimm_state->dsm_io.address), + acpi_nvdimm_state->dsm_io.bit_width >> 3)); aml_append(method, aml_operation_region(NVDIMM_DSM_MEMORY, AML_SYSTEM_MEMORY, dsm_mem, sizeof(NvdimmDsmIn))); @@ -1260,7 +1272,8 @@ static void nvdimm_build_nvdimm_devices(Aml *root_dev, uint32_t ram_slots) } static void nvdimm_build_ssdt(GArray *table_offsets, GArray *table_data, - BIOSLinker *linker, GArray *dsm_dma_arrea, + BIOSLinker *linker, + AcpiNVDIMMState *acpi_nvdimm_state, uint32_t ram_slots) { Aml *ssdt, *sb_scope, *dev; @@ -1288,7 +1301,7 @@ static void nvdimm_build_ssdt(GArray *table_offsets, GArray *table_data, */ aml_append(dev, aml_name_decl("_HID", aml_string("ACPI0012"))); - nvdimm_build_common_dsm(dev); + nvdimm_build_common_dsm(dev, acpi_nvdimm_state); /* 0 is reserved for root device. */ nvdimm_build_device_dsm(dev, 0); @@ -1307,7 +1320,7 @@ static void nvdimm_build_ssdt(GArray *table_offsets, GArray *table_data, NVDIMM_ACPI_MEM_ADDR); bios_linker_loader_alloc(linker, - NVDIMM_DSM_MEM_FILE, dsm_dma_arrea, + NVDIMM_DSM_MEM_FILE, acpi_nvdimm_state->dsm_mem, sizeof(NvdimmDsmIn), false /* high memory */); bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, mem_addr_offset, sizeof(uint32_t), @@ -1329,7 +1342,7 @@ void nvdimm_build_acpi(GArray *table_offsets, GArray *table_data, return; } - nvdimm_build_ssdt(table_offsets, table_data, linker, state->dsm_mem, + nvdimm_build_ssdt(table_offsets, table_data, linker, state, ram_slots); device_list = nvdimm_get_device_list(); diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index fd0f2c268f..d0a262d106 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -298,7 +298,11 @@ static void pc_init1(MachineState *machine, } if (pcms->acpi_nvdimm_state.is_enabled) { - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, + AcpiNVDIMMState *acpi_nvdimm_state = &pcms->acpi_nvdimm_state; + + acpi_nvdimm_state->dsm_io = NvdimmDsmIO; + + nvdimm_init_acpi_state(acpi_nvdimm_state, system_io, pcms->fw_cfg, OBJECT(pcms)); } } diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 4a175ea50e..21f594001f 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -330,7 +330,11 @@ static void pc_q35_init(MachineState *machine) pc_nic_init(pcmc, isa_bus, host_bus); if (pcms->acpi_nvdimm_state.is_enabled) { - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, + AcpiNVDIMMState *acpi_nvdimm_state = &pcms->acpi_nvdimm_state; + + acpi_nvdimm_state->dsm_io = NvdimmDsmIO; + + nvdimm_init_acpi_state(acpi_nvdimm_state, system_io, pcms->fw_cfg, OBJECT(pcms)); } } diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h index c5c9b3c7f8..ead51d958d 100644 --- a/include/hw/mem/nvdimm.h +++ b/include/hw/mem/nvdimm.h @@ -25,6 +25,7 @@ #include "hw/mem/pc-dimm.h" #include "hw/acpi/bios-linker-loader.h" +#include "hw/acpi/aml-build.h" #define NVDIMM_DEBUG 0 #define nvdimm_debug(fmt, ...) \ @@ -123,6 +124,8 @@ struct NvdimmFitBuffer { }; typedef struct NvdimmFitBuffer NvdimmFitBuffer; +extern const struct AcpiGenericAddress NvdimmDsmIO; + struct AcpiNVDIMMState { /* detect if NVDIMM support is enabled. */ bool is_enabled; @@ -140,6 +143,7 @@ struct AcpiNVDIMMState { */ int32_t persistence; char *persistence_string; + struct AcpiGenericAddress dsm_io; }; typedef struct AcpiNVDIMMState AcpiNVDIMMState; -- 2.20.1