diff options
Diffstat (limited to 'hw/acpi')
| -rw-r--r-- | hw/acpi/nvdimm.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index b4c2262..14355f8 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -490,7 +490,7 @@ static void nvdimm_build_common_dsm(Aml *dev) Aml *method, *ifctx, *function, *dsm_mem, *unpatched, *result_size; uint8_t byte_list[1]; - method = aml_method(NVDIMM_COMMON_DSM, 4, AML_SERIALIZED); + method = aml_method(NVDIMM_COMMON_DSM, 5, AML_SERIALIZED); function = aml_arg(2); dsm_mem = aml_name(NVDIMM_ACPI_MEM_ADDR); @@ -516,11 +516,10 @@ static void nvdimm_build_common_dsm(Aml *dev) /* * The HDLE indicates the DSM function is issued from which device, - * it is not used at this time as no function is supported yet. - * Currently we make it always be 0 for all the devices and will set - * the appropriate value once real function is implemented. + * it reserves 0 for root device and is the handle for NVDIMM devices. + * See the comments in nvdimm_slot_to_handle(). */ - aml_append(method, aml_store(aml_int(0x0), aml_name("HDLE"))); + aml_append(method, aml_store(aml_arg(4), aml_name("HDLE"))); aml_append(method, aml_store(aml_arg(1), aml_name("REVS"))); aml_append(method, aml_store(aml_arg(2), aml_name("FUNC"))); @@ -542,13 +541,14 @@ static void nvdimm_build_common_dsm(Aml *dev) aml_append(dev, method); } -static void nvdimm_build_device_dsm(Aml *dev) +static void nvdimm_build_device_dsm(Aml *dev, uint32_t handle) { Aml *method; method = aml_method("_DSM", 4, AML_NOTSERIALIZED); - aml_append(method, aml_return(aml_call4(NVDIMM_COMMON_DSM, aml_arg(0), - aml_arg(1), aml_arg(2), aml_arg(3)))); + aml_append(method, aml_return(aml_call5(NVDIMM_COMMON_DSM, aml_arg(0), + aml_arg(1), aml_arg(2), aml_arg(3), + aml_int(handle)))); aml_append(dev, method); } @@ -573,7 +573,7 @@ static void nvdimm_build_nvdimm_devices(GSList *device_list, Aml *root_dev) */ aml_append(nvdimm_dev, aml_name_decl("_ADR", aml_int(handle))); - nvdimm_build_device_dsm(nvdimm_dev); + nvdimm_build_device_dsm(nvdimm_dev, handle); aml_append(root_dev, nvdimm_dev); } } @@ -665,7 +665,9 @@ static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets, aml_append(dev, field); nvdimm_build_common_dsm(dev); - nvdimm_build_device_dsm(dev); + + /* 0 is reserved for root device. */ + nvdimm_build_device_dsm(dev, 0); nvdimm_build_nvdimm_devices(device_list, dev); |