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>
---
v2 -> v3:
- s/size/len in pc_piix.c and pc_q35.c
---
hw/acpi/nvdimm.c | 28 +++++++++++++++++++---------
hw/i386/pc_piix.c | 8 +++++++-
hw/i386/pc_q35.c | 8 +++++++-
include/hw/mem/nvdimm.h | 12 ++++++++++++
4 files changed, 45 insertions(+), 11 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index e53b2cb681..da68de5535 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -929,8 +929,8 @@ 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.len);
+ memory_region_add_subregion(io, state->dsm_io.base, &state->io_mr);
state->dsm_mem = g_array_new(false, true /* clear */, 1);
acpi_data_push(state->dsm_mem, sizeof(NvdimmDsmIn));
@@ -959,12 +959,14 @@ 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 +977,16 @@ 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.type == NVDIMM_ACPI_IO_PORT) {
+ 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.base),
+ acpi_nvdimm_state->dsm_io.len));
aml_append(method, aml_operation_region(NVDIMM_DSM_MEMORY,
AML_SYSTEM_MEMORY, dsm_mem, sizeof(NvdimmDsmIn)));
@@ -1260,7 +1269,8 @@ 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 +1298,7 @@ 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 +1317,7 @@ 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 +1339,7 @@ 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 63c84e3827..d9c81c9aa6 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -298,7 +298,13 @@ 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.type = NVDIMM_ACPI_IO_PORT;
+ acpi_nvdimm_state->dsm_io.base = NVDIMM_ACPI_IO_BASE;
+ acpi_nvdimm_state->dsm_io.len = NVDIMM_ACPI_IO_LEN;
+
+ 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 b7b7959934..1110a26e34 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -330,7 +330,13 @@ 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.type = NVDIMM_ACPI_IO_PORT;
+ acpi_nvdimm_state->dsm_io.base = NVDIMM_ACPI_IO_BASE;
+ acpi_nvdimm_state->dsm_io.len = NVDIMM_ACPI_IO_LEN;
+
+ 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..af8a5fd034 100644
--- a/include/hw/mem/nvdimm.h
+++ b/include/hw/mem/nvdimm.h
@@ -123,6 +123,17 @@ struct NvdimmFitBuffer {
};
typedef struct NvdimmFitBuffer NvdimmFitBuffer;
+typedef enum {
+ NVDIMM_ACPI_IO_PORT,
+ NVDIMM_ACPI_IO_MEMORY,
+} AcpiNVDIMMIOType;
+
+typedef struct AcpiNVDIMMIOEntry {
+ AcpiNVDIMMIOType type;
+ hwaddr base;
+ hwaddr len;
+} AcpiNVDIMMIOEntry;
+
struct AcpiNVDIMMState {
/* detect if NVDIMM support is enabled. */
bool is_enabled;
@@ -140,6 +151,7 @@ struct AcpiNVDIMMState {
*/
int32_t persistence;
char *persistence_string;
+ AcpiNVDIMMIOEntry dsm_io;
};
typedef struct AcpiNVDIMMState AcpiNVDIMMState;
--
2.20.1
