Move the _FIT method buff Aml-build codes into
aml_build_runtime_buf(), and then NFIT and HMAT can both use it.
Suggested-by: Igor Mammedov <imamm...@redhat.com>
Signed-off-by: Tao Xu <tao3...@intel.com>
---
Changes in v6:
- Add more commit message and change the function name
---
hw/acpi/nvdimm.c | 49 +++++++++++++++++++++++++++--------------
include/hw/mem/nvdimm.h | 6 +++++
2 files changed, 38 insertions(+), 17 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 9fdad6dc3f..0eb57245d3 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -1140,12 +1140,11 @@ static void nvdimm_build_device_dsm(Aml *dev, uint32_t
handle)
static void nvdimm_build_fit(Aml *dev)
{
- Aml *method, *pkg, *buf, *buf_size, *offset, *call_result;
- Aml *whilectx, *ifcond, *ifctx, *elsectx, *fit;
+ Aml *method, *pkg, *buf, *buf_name, *buf_size, *call_result;
buf = aml_local(0);
buf_size = aml_local(1);
- fit = aml_local(2);
+ buf_name = aml_local(2);
aml_append(dev, aml_name_decl(NVDIMM_DSM_RFIT_STATUS, aml_int(0)));
@@ -1164,6 +1163,22 @@ static void nvdimm_build_fit(Aml *dev)
aml_int(1) /* Revision 1 */,
aml_int(0x1) /* Read FIT */,
pkg, aml_int(NVDIMM_QEMU_RSVD_HANDLE_ROOT));
+
+ aml_build_runtime_buf(method, buf, buf_size,
+ call_result, buf_name, dev,
+ "RFIT", "_FIT",
+ NVDIMM_DSM_RET_STATUS_SUCCESS,
+ NVDIMM_DSM_RET_STATUS_FIT_CHANGED);
+}
+
+void aml_build_runtime_buf(Aml *method, Aml *buf, Aml *buf_size,
+ Aml *call_result, Aml *buf_name, Aml *dev,
+ const char *help_function, const char *method_name,
+ int ret_status_success,
+ int ret_status_changed)
+{
+ Aml *offset, *whilectx, *ifcond, *ifctx, *elsectx;
+
aml_append(method, aml_store(call_result, buf));
/* handle _DSM result. */
@@ -1174,7 +1189,7 @@ static void nvdimm_build_fit(Aml *dev)
aml_name(NVDIMM_DSM_RFIT_STATUS)));
/* if something is wrong during _DSM. */
- ifcond = aml_equal(aml_int(NVDIMM_DSM_RET_STATUS_SUCCESS),
+ ifcond = aml_equal(aml_int(ret_status_success),
aml_name("STAU"));
ifctx = aml_if(aml_lnot(ifcond));
aml_append(ifctx, aml_return(aml_buffer(0, NULL)));
@@ -1185,7 +1200,7 @@ static void nvdimm_build_fit(Aml *dev)
aml_int(4) /* the size of "STAU" */,
buf_size));
- /* if we read the end of fit. */
+ /* if we read the end of buff method. */
ifctx = aml_if(aml_equal(buf_size, aml_int(0)));
aml_append(ifctx, aml_return(aml_buffer(0, NULL)));
aml_append(method, ifctx);
@@ -1196,38 +1211,38 @@ static void nvdimm_build_fit(Aml *dev)
aml_append(method, aml_return(aml_name("BUFF")));
aml_append(dev, method);
- /* build _FIT. */
- method = aml_method("_FIT", 0, AML_SERIALIZED);
+ /* build buff method. */
+ method = aml_method(method_name, 0, AML_SERIALIZED);
offset = aml_local(3);
- aml_append(method, aml_store(aml_buffer(0, NULL), fit));
+ aml_append(method, aml_store(aml_buffer(0, NULL), buf_name));
aml_append(method, aml_store(aml_int(0), offset));
whilectx = aml_while(aml_int(1));
- aml_append(whilectx, aml_store(aml_call1("RFIT", offset), buf));
+ aml_append(whilectx, aml_store(aml_call1(help_function, offset), buf));
aml_append(whilectx, aml_store(aml_sizeof(buf), buf_size));
/*
- * if fit buffer was changed during RFIT, read from the beginning
- * again.
+ * if buffer was changed during runtime,
+ * read from the beginning again.
*/
ifctx = aml_if(aml_equal(aml_name(NVDIMM_DSM_RFIT_STATUS),
- aml_int(NVDIMM_DSM_RET_STATUS_FIT_CHANGED)));
- aml_append(ifctx, aml_store(aml_buffer(0, NULL), fit));
+ aml_int(ret_status_changed)));
+ aml_append(ifctx, aml_store(aml_buffer(0, NULL), buf_name));
aml_append(ifctx, aml_store(aml_int(0), offset));
aml_append(whilectx, ifctx);
elsectx = aml_else();
- /* finish fit read if no data is read out. */
+ /* finish buff read if no data is read out. */
ifctx = aml_if(aml_equal(buf_size, aml_int(0)));
- aml_append(ifctx, aml_return(fit));
+ aml_append(ifctx, aml_return(buf_name));
aml_append(elsectx, ifctx);
/* update the offset. */
aml_append(elsectx, aml_add(offset, buf_size, offset));
- /* append the data we read out to the fit buffer. */
- aml_append(elsectx, aml_concatenate(fit, buf, fit));
+ /* append the data we read out to the buffer. */
+ aml_append(elsectx, aml_concatenate(buf_name, buf, buf_name));
aml_append(whilectx, elsectx);
aml_append(method, whilectx);
diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h
index 523a9b3d4a..95bbe044cb 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, ...) \
@@ -150,4 +151,9 @@ void nvdimm_build_acpi(GArray *table_offsets, GArray
*table_data,
uint32_t ram_slots);
void nvdimm_plug(NVDIMMState *state);
void nvdimm_acpi_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev);
+void aml_build_runtime_buf(Aml *method, Aml *buf, Aml *buf_size,
+ Aml *call_result, Aml *buf_name, Aml *dev,
+ const char *help_function, const char *method_name,
+ int ret_status_success,
+ int ret_status_changed);
#endif
--
2.20.1
