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nvdimm acpi: set HDLE properly 

Now we pass HDLE to Qemu properly, use 0 for root device and use the
handle for nvdimm devices

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Xiao Guangrong 2016-06-07 20:22:01 +08:00 committed by Michael S. Tsirkin
parent 052889b8e9
commit 732b530c1b
1 changed files with 12 additions and 10 deletions
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22
hw/acpi/nvdimm.c
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@ -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);