1#ifndef _ASM_MACH_TOPOLOGY_H
 2#define _ASM_MACH_TOPOLOGY_H	1
 3
 4#include <asm/sn/hub.h>
 5#include <asm/sn/types.h>
 6#include <asm/mmzone.h>
 7
 8struct cpuinfo_ip27 {
 9//	cpuid_t		p_cpuid;	/* PROM assigned cpuid */
10	cnodeid_t	p_nodeid;	/* my node ID in compact-id-space */
11	nasid_t		p_nasid;	/* my node ID in numa-as-id-space */
 
12	unsigned char	p_slice;	/* Physical position on node board */
13#if 0
14	unsigned long		loops_per_sec;
15	unsigned long		ipi_count;
16	unsigned long		irq_attempt[NR_IRQS];
17	unsigned long		smp_local_irq_count;
18	unsigned long		prof_multiplier;
19	unsigned long		prof_counter;
20#endif
21};
22
23extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS];
24
25#define cpu_to_node(cpu)	(sn_cpu_info[(cpu)].p_nodeid)
26#define parent_node(node)	(node)
27#define cpumask_of_node(node)	((node) == -1 ?				\
28				 cpu_all_mask :				\
29				 &hub_data(node)->h_cpus)
30struct pci_bus;
31extern int pcibus_to_node(struct pci_bus *);
32
33#define cpumask_of_pcibus(bus)	(cpu_online_mask)
34
35extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
36
37#define node_distance(from, to)	(__node_distances[(from)][(to)])
38
39/* sched_domains SD_NODE_INIT for SGI IP27 machines */
40#define SD_NODE_INIT (struct sched_domain) {		\
41	.parent			= NULL,			\
42	.child			= NULL,			\
43	.groups			= NULL,			\
44	.min_interval		= 8,			\
45	.max_interval		= 32,			\
46	.busy_factor		= 32,			\
47	.imbalance_pct		= 125,			\
48	.cache_nice_tries	= 1,			\
49	.flags			= SD_LOAD_BALANCE |	\
50				  SD_BALANCE_EXEC,	\
51	.last_balance		= jiffies,		\
52	.balance_interval	= 1,			\
53	.nr_balance_failed	= 0,			\
54}
55
56#include <asm-generic/topology.h>
57
58#endif /* _ASM_MACH_TOPOLOGY_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_MACH_TOPOLOGY_H
 3#define _ASM_MACH_TOPOLOGY_H	1
 4
 
 5#include <asm/sn/types.h>
 6#include <asm/mmzone.h>
 7
 8struct cpuinfo_ip27 {
 
 
 9	nasid_t		p_nasid;	/* my node ID in numa-as-id-space */
10	unsigned short	p_speed;	/* cpu speed in MHz */
11	unsigned char	p_slice;	/* Physical position on node board */
 
 
 
 
 
 
 
 
12};
13
14extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS];
15
16#define cpu_to_node(cpu)	(cputonasid(cpu))
 
17#define cpumask_of_node(node)	((node) == -1 ?				\
18				 cpu_all_mask :				\
19				 &hub_data(node)->h_cpus)
20struct pci_bus;
21extern int pcibus_to_node(struct pci_bus *);
22
23#define cpumask_of_pcibus(bus)	(cpumask_of_node(pcibus_to_node(bus)))
24
25extern unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES];
26
27#define node_distance(from, to) (__node_distances[(from)][(to)])
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
28
29#include <asm-generic/topology.h>
30
31#endif /* _ASM_MACH_TOPOLOGY_H */