diff options
Diffstat (limited to 'drivers/ras/amd/atl/internal.h')
| -rw-r--r-- | drivers/ras/amd/atl/internal.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/ras/amd/atl/internal.h b/drivers/ras/amd/atl/internal.h index f623ac23e4b9..c67ba4bfe9cf 100644 --- a/drivers/ras/amd/atl/internal.h +++ b/drivers/ras/amd/atl/internal.h @@ -37,6 +37,8 @@ #define DF_DRAM_BASE_LIMIT_LSB 28 #define MI300_DRAM_LIMIT_LSB 20 +#define INVALID_SPA ~0ULL + enum df_revisions { UNKNOWN, DF2, @@ -93,6 +95,44 @@ enum intlv_modes { DF4p5_NPS1_10CHAN_2K_HASH = 0x49, }; +struct df4p5_denorm_ctx { + /* Indicates the number of "lost" bits. This will be 1, 2, or 3. */ + u8 perm_shift; + + /* A mask indicating the bits that need to be rehashed. */ + u16 rehash_vector; + + /* + * Represents the value that the high bits of the normalized address + * are divided by during normalization. This value will be 3 for + * interleave modes with a number of channels divisible by 3 or the + * value will be 5 for interleave modes with a number of channels + * divisible by 5. Power-of-two interleave modes are handled + * separately. + */ + u8 mod_value; + + /* + * Represents the bits that can be directly pulled from the normalized + * address. In each case, pass through bits [7:0] of the normalized + * address. The other bits depend on the interleave bit position which + * will be bit 10 for 1K interleave stripe cases and bit 11 for 2K + * interleave stripe cases. + */ + u64 base_denorm_addr; + + /* + * Represents the high bits of the physical address that have been + * divided by the mod_value. + */ + u64 div_addr; + + u64 current_spa; + u64 resolved_spa; + + u16 coh_st_fabric_id; +}; + struct df_flags { __u8 legacy_ficaa : 1, socket_id_shift_quirk : 1, |