diff options
Diffstat (limited to 'include/hw/mem')
| -rw-r--r-- | include/hw/mem/nvdimm.h | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h index 49183c126b..517de9c366 100644 --- a/include/hw/mem/nvdimm.h +++ b/include/hw/mem/nvdimm.h @@ -25,8 +25,38 @@ #include "hw/mem/pc-dimm.h" -#define TYPE_NVDIMM "nvdimm" +#define NVDIMM_DEBUG 0 +#define nvdimm_debug(fmt, ...) \ + do { \ + if (NVDIMM_DEBUG) { \ + fprintf(stderr, "nvdimm: " fmt, ## __VA_ARGS__); \ + } \ + } while (0) +#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 |