diff options
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/i386/pc.h | 4 | ||||
| -rw-r--r-- | include/hw/mem/nvdimm.h | 24 |
2 files changed, 26 insertions, 2 deletions
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 6151ba7021..b0497769a1 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -17,6 +17,7 @@ #include "hw/boards.h" #include "hw/compat.h" #include "hw/mem/pc-dimm.h" +#include "hw/mem/nvdimm.h" #define HPET_INTCAP "hpet-intcap" @@ -57,7 +58,8 @@ struct PCMachineState { uint64_t max_ram_below_4g; OnOffAuto vmport; OnOffAuto smm; - bool nvdimm; + + AcpiNVDIMMState acpi_nvdimm_state; /* RAM information (sizes, addresses, configuration): */ ram_addr_t below_4g_mem_size, above_4g_mem_size; diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h index 49183c126b..26d5b78911 100644 --- a/include/hw/mem/nvdimm.h +++ b/include/hw/mem/nvdimm.h @@ -25,8 +25,30 @@ #include "hw/mem/pc-dimm.h" -#define TYPE_NVDIMM "nvdimm" +#define TYPE_NVDIMM "nvdimm" +#define NVDIMM_DSM_MEM_FILE "etc/acpi/nvdimm-mem" + +/* + * 32 bits IO port starting from 0x0a18 in guest is reserved for + * NVDIMM ACPI emulation. + */ +#define NVDIMM_ACPI_IO_BASE 0x0a18 +#define NVDIMM_ACPI_IO_LEN 4 + +struct AcpiNVDIMMState { + /* detect if NVDIMM support is enabled. */ + bool is_enabled; + + /* the data of the fw_cfg file NVDIMM_DSM_MEM_FILE. */ + GArray *dsm_mem; + /* the IO region used by OSPM to transfer control to QEMU. */ + MemoryRegion io_mr; +}; +typedef struct AcpiNVDIMMState AcpiNVDIMMState; + +void nvdimm_init_acpi_state(AcpiNVDIMMState *state, MemoryRegion *io, + FWCfgState *fw_cfg, Object *owner); void nvdimm_build_acpi(GArray *table_offsets, GArray *table_data, GArray *linker); #endif |