diff options
Diffstat (limited to 'arch/x86/include/asm/uv')
| -rw-r--r-- | arch/x86/include/asm/uv/uv_hub.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index 1978e4b8dcff..6900161e1684 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -149,6 +149,9 @@ struct uv_hub_info_s { unsigned long global_mmr_base; unsigned long global_mmr_shift; unsigned long gpa_mask; + unsigned short *socket_to_node; + unsigned short *socket_to_pnode; + unsigned short *pnode_to_socket; unsigned short min_socket; unsigned short min_pnode; unsigned char hub_revision; @@ -481,10 +484,21 @@ static inline void *uv_pnode_offset_to_vaddr(int pnode, unsigned long offset) return __va(((unsigned long)pnode << uv_hub_info->m_val) | offset); } -/* Extract a PNODE from an APICID (full apicid, not processor subset) */ +/* Convert socket to node */ +static inline int uv_socket_to_node(int socket) +{ + unsigned short *s2nid = uv_hub_info->socket_to_node; + + return s2nid ? s2nid[socket - uv_hub_info->min_socket] : socket; +} + +/* Extract/Convert a PNODE from an APICID (full apicid, not processor subset) */ static inline int uv_apicid_to_pnode(int apicid) { - return (apicid >> uv_hub_info->apic_pnode_shift); + int pnode = apicid >> uv_hub_info->apic_pnode_shift; + unsigned short *s2pn = uv_hub_info->socket_to_pnode; + + return s2pn ? s2pn[pnode - uv_hub_info->min_socket] : pnode; } /* Convert an apicid to the socket number on the blade */ |