diff options
Diffstat (limited to 'src/usr/isteps/nvdimm/nvdimm_update.H')
| -rw-r--r-- | src/usr/isteps/nvdimm/nvdimm_update.H | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/usr/isteps/nvdimm/nvdimm_update.H b/src/usr/isteps/nvdimm/nvdimm_update.H index 1e48f7ef8..3f71dff56 100644 --- a/src/usr/isteps/nvdimm/nvdimm_update.H +++ b/src/usr/isteps/nvdimm/nvdimm_update.H @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2018,2019 */ +/* Contributors Listed Below - COPYRIGHT 2018,2020 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -42,6 +42,7 @@ const uint16_t INVALID_ID = 0xFFFF; const uint16_t INVALID_VERSION = 0xFFFF; const uint16_t INVALID_TIMEOUT = 0xFFFF; const uint32_t INVALID_TYPE = 0xFFFFFFFF; +const uint8_t INVALID_BLOCK_SIZE = 0x00; // Type is combination of manufacturer id and product id const uint32_t SMART_NVDIMM_16GB_TYPE = 0x01945377; @@ -245,6 +246,15 @@ class NvdimmInstalledImage } /** + * @brief Accessor for what write size is supported for this installed nvdimm + * Prior to level 0x3A, only word size supported + * Level 0x3A and beyond support 32 byte block writes + * @param[out] maximum number of bytes allowed per write + * @return block write size supported for this current nvdimm level + */ + errlHndl_t getBlockWriteSizeSupported(uint64_t & o_blockSize); + + /** * @brief Update the current NV Controller * @param Update using this image * @return error pointer if failure to update, else nullptr @@ -277,6 +287,9 @@ class NvdimmInstalledImage // retry attempts for all regions uint8_t iv_region_write_retries; + // what size block can be written (2 or 32 byte) + uint64_t iv_blockSizeSupported; + // Helper functions for updating the installed lid /** |
