diff options
Diffstat (limited to 'arch/x86/include/asm/uv/uv_hub.h')
| -rw-r--r-- | arch/x86/include/asm/uv/uv_hub.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index eda54cf68b7d..2ff0eb8058ae 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -139,8 +139,9 @@ struct uv_scir_s { /* * The following defines attributes of the HUB chip. These attributes are - * frequently referenced and are kept in the per-cpu data areas of each cpu. - * They are kept together in a struct to minimize cache misses. + * frequently referenced and are kept in a common per hub struct. + * After setup, the struct is read only, so it should be readily + * available in the L3 cache on the cpu socket for the node. */ struct uv_hub_info_s { unsigned long global_mmr_base; @@ -167,9 +168,19 @@ DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info); #define uv_hub_info this_cpu_ptr(&__uv_hub_info) #define uv_cpu_hub_info(cpu) (&per_cpu(__uv_hub_info, cpu)) +/* CPU specific info with a pointer to the hub common info struct */ +struct uv_cpu_info_s { + void *p_uv_hub_info; + unsigned char blade_cpu_id; + struct uv_scir_s scir; +}; +DECLARE_PER_CPU(struct uv_cpu_info_s, __uv_cpu_info); + +#define uv_cpu_info this_cpu_ptr(&__uv_cpu_info) +#define uv_cpu_info_per(cpu) (&per_cpu(__uv_cpu_info, cpu)) + /* - * Hub revisions less than UV2_HUB_REVISION_BASE are UV1 hubs. All UV2 - * hubs have revision numbers greater than or equal to UV2_HUB_REVISION_BASE. + * HUB revision ranges for each UV HUB architecture. * This is a software convention - NOT the hardware revision numbers in * the hub chip. */ |