diff options
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/uv/uv_hub.h | 71 |
1 files changed, 32 insertions, 39 deletions
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index 35987d9..e04cb41 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -16,6 +16,7 @@ #include <linux/percpu.h> #include <linux/timer.h> #include <linux/io.h> +#include <linux/topology.h> #include <asm/types.h> #include <asm/percpu.h> #include <asm/uv/uv_mmrs.h> @@ -161,6 +162,9 @@ struct uv_hub_info_s { unsigned short numa_blade_id; unsigned char m_val; unsigned char n_val; + unsigned short nr_possible_cpus; + unsigned short nr_online_cpus; + short memory_nid; }; /* CPU specific info with a pointer to the hub common info struct */ @@ -446,7 +450,7 @@ static inline unsigned long uv_gpa_to_soc_phys_ram(unsigned long gpa) } -/* gpa -> pnode */ +/* gpa -> gnode */ static inline unsigned long uv_gpa_to_gnode(unsigned long gpa) { return gpa >> uv_hub_info->n_lshift; @@ -455,12 +459,10 @@ static inline unsigned long uv_gpa_to_gnode(unsigned long gpa) /* gpa -> pnode */ static inline int uv_gpa_to_pnode(unsigned long gpa) { - unsigned long n_mask = (1UL << uv_hub_info->n_val) - 1; - - return uv_gpa_to_gnode(gpa) & n_mask; + return uv_gpa_to_gnode(gpa) & uv_hub_info->pnode_mask; } -/* gpa -> node offset*/ +/* gpa -> node offset */ static inline unsigned long uv_gpa_to_offset(unsigned long gpa) { return (gpa << uv_hub_info->m_shift) >> uv_hub_info->m_shift; @@ -472,18 +474,13 @@ 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) - */ +/* Extract 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); } -/* - * Convert an apicid to the socket number on the blade - */ +/* Convert an apicid to the socket number on the blade */ static inline int uv_apicid_to_socket(int apicid) { if (is_uv1_hub()) @@ -581,21 +578,6 @@ static inline void uv_write_local_mmr8(unsigned long offset, unsigned char val) writeb(val, uv_local_mmr_address(offset)); } -/* - * Structures and definitions for converting between cpu, node, pnode, and blade - * numbers. - */ -struct uv_blade_info { - unsigned short nr_possible_cpus; - unsigned short nr_online_cpus; - unsigned short pnode; - short memory_nid; -}; -extern struct uv_blade_info *uv_blade_info; -extern short *uv_node_to_blade; -extern short *uv_cpu_to_blade; -extern short uv_possible_blades; - /* Blade-local cpu number of current cpu. Numbered 0 .. <# cpus on the blade> */ static inline int uv_blade_processor_id(void) { @@ -609,61 +591,72 @@ static inline int uv_cpu_blade_processor_id(int cpu) } #define _uv_cpu_blade_processor_id 1 /* indicate function available */ +/* Blade number to Node number (UV1..UV4 is 1:1) */ +static inline int uv_blade_to_node(int blade) +{ + return blade; +} + /* Blade number of current cpu. Numnbered 0 .. <#blades -1> */ static inline int uv_numa_blade_id(void) { return uv_hub_info->numa_blade_id; } -/* Convert a cpu number to the the UV blade number */ -static inline int uv_cpu_to_blade_id(int cpu) +/* + * Convert linux node number to the UV blade number. + * .. Currently for UV1 thru UV4 the node and the blade are identical. + * .. If this changes then you MUST check references to this function! + */ +static inline int uv_node_to_blade_id(int nid) { - return uv_cpu_to_blade[cpu]; + return nid; } -/* Convert linux node number to the UV blade number */ -static inline int uv_node_to_blade_id(int nid) +/* Convert a cpu number to the the UV blade number */ +static inline int uv_cpu_to_blade_id(int cpu) { - return uv_node_to_blade[nid]; + return uv_node_to_blade_id(cpu_to_node(cpu)); } /* Convert a blade id to the PNODE of the blade */ static inline int uv_blade_to_pnode(int bid) { - return uv_blade_info[bid].pnode; + return uv_hub_info_list(uv_blade_to_node(bid))->pnode; } /* Nid of memory node on blade. -1 if no blade-local memory */ static inline int uv_blade_to_memory_nid(int bid) { - return uv_blade_info[bid].memory_nid; + return uv_hub_info_list(uv_blade_to_node(bid))->memory_nid; } /* Determine the number of possible cpus on a blade */ static inline int uv_blade_nr_possible_cpus(int bid) { - return uv_blade_info[bid].nr_possible_cpus; + return uv_hub_info_list(uv_blade_to_node(bid))->nr_possible_cpus; } /* Determine the number of online cpus on a blade */ static inline int uv_blade_nr_online_cpus(int bid) { - return uv_blade_info[bid].nr_online_cpus; + return uv_hub_info_list(uv_blade_to_node(bid))->nr_online_cpus; } /* Convert a cpu id to the PNODE of the blade containing the cpu */ static inline int uv_cpu_to_pnode(int cpu) { - return uv_blade_info[uv_cpu_to_blade_id(cpu)].pnode; + return uv_cpu_hub_info(cpu)->pnode; } /* Convert a linux node number to the PNODE of the blade */ static inline int uv_node_to_pnode(int nid) { - return uv_blade_info[uv_node_to_blade_id(nid)].pnode; + return uv_hub_info_list(nid)->pnode; } /* Maximum possible number of blades */ +extern short uv_possible_blades; static inline int uv_num_possible_blades(void) { return uv_possible_blades; |
