diff options
Diffstat (limited to 'sys/sys')
-rw-r--r-- | sys/sys/_cpuset.h | 52 | ||||
-rw-r--r-- | sys/sys/_rmlock.h | 2 | ||||
-rw-r--r-- | sys/sys/cpuset.h | 62 | ||||
-rw-r--r-- | sys/sys/pcpu.h | 5 | ||||
-rw-r--r-- | sys/sys/pmckern.h | 4 | ||||
-rw-r--r-- | sys/sys/smp.h | 26 | ||||
-rw-r--r-- | sys/sys/types.h | 1 |
7 files changed, 119 insertions, 33 deletions
diff --git a/sys/sys/_cpuset.h b/sys/sys/_cpuset.h new file mode 100644 index 0000000..62a0e9d --- /dev/null +++ b/sys/sys/_cpuset.h @@ -0,0 +1,52 @@ +/*- + * Copyright (c) 2008, Jeffrey Roberson <jeff@freebsd.org> + * All rights reserved. + * + * Copyright (c) 2008 Nokia Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice unmodified, this list of conditions, and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _SYS__CPUSET_H_ +#define _SYS__CPUSET_H_ + +#ifdef _KERNEL +#define CPU_SETSIZE MAXCPU +#endif + +#define CPU_MAXSIZE (4 * MAXCPU) + +#ifndef CPU_SETSIZE +#define CPU_SETSIZE CPU_MAXSIZE +#endif + +#define _NCPUBITS (sizeof(long) * NBBY) /* bits per mask */ +#define _NCPUWORDS howmany(CPU_SETSIZE, _NCPUBITS) + +typedef struct _cpuset { + long __bits[howmany(CPU_SETSIZE, _NCPUBITS)]; +} cpuset_t; + +#endif /* !_SYS__CPUSET_H_ */ diff --git a/sys/sys/_rmlock.h b/sys/sys/_rmlock.h index 75a159c..15d6c49 100644 --- a/sys/sys/_rmlock.h +++ b/sys/sys/_rmlock.h @@ -45,7 +45,7 @@ LIST_HEAD(rmpriolist,rm_priotracker); struct rmlock { struct lock_object lock_object; - volatile cpumask_t rm_writecpus; + volatile cpuset_t rm_writecpus; LIST_HEAD(,rm_priotracker) rm_activeReaders; union { struct mtx _rm_lock_mtx; diff --git a/sys/sys/cpuset.h b/sys/sys/cpuset.h index 3263991..e06df54 100644 --- a/sys/sys/cpuset.h +++ b/sys/sys/cpuset.h @@ -32,22 +32,9 @@ #ifndef _SYS_CPUSET_H_ #define _SYS_CPUSET_H_ -#ifdef _KERNEL -#define CPU_SETSIZE MAXCPU -#endif +#include <sys/_cpuset.h> -#define CPU_MAXSIZE (4 * MAXCPU) - -#ifndef CPU_SETSIZE -#define CPU_SETSIZE CPU_MAXSIZE -#endif - -#define _NCPUBITS (sizeof(long) * NBBY) /* bits per mask */ -#define _NCPUWORDS howmany(CPU_SETSIZE, _NCPUBITS) - -typedef struct _cpuset { - long __bits[howmany(CPU_SETSIZE, _NCPUBITS)]; -} cpuset_t; +#define CPUSETBUFSIZ ((2 + sizeof(long) * 2) * _NCPUWORDS) #define __cpuset_mask(n) ((long)1 << ((n) % _NCPUBITS)) #define CPU_CLR(n, p) ((p)->__bits[(n)/_NCPUBITS] &= ~__cpuset_mask(n)) @@ -66,6 +53,11 @@ typedef struct _cpuset { (p)->__bits[__i] = -1; \ } while (0) +#define CPU_SETOF(n, p) do { \ + CPU_ZERO(p); \ + ((p)->__bits[(n)/_NCPUBITS] = __cpuset_mask(n)); \ +} while (0) + /* Is p empty. */ #define CPU_EMPTY(p) __extension__ ({ \ __size_t __i; \ @@ -75,6 +67,15 @@ typedef struct _cpuset { __i == _NCPUWORDS; \ }) +/* Is p full set. */ +#define CPU_ISFULLSET(p) __extension__ ({ \ + __size_t __i; \ + for (__i = 0; __i < _NCPUWORDS; __i++) \ + if ((p)->__bits[__i] != (long)-1) \ + break; \ + __i == _NCPUWORDS; \ +}) + /* Is c a subset of p. */ #define CPU_SUBSET(p, c) __extension__ ({ \ __size_t __i; \ @@ -124,6 +125,35 @@ typedef struct _cpuset { (d)->__bits[__i] &= ~(s)->__bits[__i]; \ } while (0) +#ifdef _KERNEL +#define CPU_CLR_ATOMIC(n, p) \ + atomic_clear_long(&(p)->__bits[(n)/_NCPUBITS], __cpuset_mask(n)) + +#define CPU_SET_ATOMIC(n, p) \ + atomic_set_long(&(p)->__bits[(n)/_NCPUBITS], __cpuset_mask(n)) + +#define CPU_OR_ATOMIC(d, s) do { \ + __size_t __i; \ + for (__i = 0; __i < _NCPUWORDS; __i++) \ + atomic_set_long(&(d)->__bits[__i], \ + (s)->__bits[__i]); \ +} while (0) + +#define CPU_NAND_ATOMIC(d, s) do { \ + __size_t __i; \ + for (__i = 0; __i < _NCPUWORDS; __i++) \ + atomic_clear_long(&(d)->__bits[__i], \ + (s)->__bits[__i]); \ +} while (0) + +#define CPU_COPY_STORE_REL(f, t) do { \ + __size_t __i; \ + for (__i = 0; __i < _NCPUWORDS; __i++) \ + atomic_store_rel_long(&(t)->__bits[__i], \ + (f)->__bits[__i]); \ +} while (0) +#endif /* !_KERNEL */ + /* * Valid cpulevel_t values. */ @@ -184,6 +214,8 @@ void cpuset_rel(struct cpuset *); int cpuset_setthread(lwpid_t id, cpuset_t *); int cpuset_create_root(struct prison *, struct cpuset **); int cpuset_setproc_update_set(struct proc *, struct cpuset *); +int cpusetobj_ffs(const cpuset_t *); +char *cpusetobj_strprint(char *, const cpuset_t *); #else __BEGIN_DECLS diff --git a/sys/sys/pcpu.h b/sys/sys/pcpu.h index ad1cf33..1b7f24f 100644 --- a/sys/sys/pcpu.h +++ b/sys/sys/pcpu.h @@ -37,6 +37,7 @@ #error "no assembler-serviceable parts inside" #endif +#include <sys/_cpuset.h> #include <sys/queue.h> #include <sys/vmmeter.h> #include <sys/resource.h> @@ -162,8 +163,8 @@ struct pcpu { uint64_t pc_switchtime; /* cpu_ticks() at last csw */ int pc_switchticks; /* `ticks' at last csw */ u_int pc_cpuid; /* This cpu number */ - cpumask_t pc_cpumask; /* This cpu mask */ - cpumask_t pc_other_cpus; /* Mask of all other cpus */ + cpuset_t pc_cpumask; /* This cpu mask */ + cpuset_t pc_other_cpus; /* Mask of all other cpus */ SLIST_ENTRY(pcpu) pc_allcpu; struct lock_list_entry *pc_spinlocks; #ifdef KTR diff --git a/sys/sys/pmckern.h b/sys/sys/pmckern.h index 3e8c1ef..796c4ca 100644 --- a/sys/sys/pmckern.h +++ b/sys/sys/pmckern.h @@ -76,7 +76,7 @@ extern int (*pmc_intr)(int _cpu, struct trapframe *_frame); extern struct sx pmc_sx; /* Per-cpu flags indicating availability of sampling data */ -extern volatile cpumask_t pmc_cpumask; +extern volatile cpuset_t pmc_cpumask; /* Count of system-wide sampling PMCs in existence */ extern volatile int pmc_ss_count; @@ -122,7 +122,7 @@ do { \ #define PMC_SYSTEM_SAMPLING_ACTIVE() (pmc_ss_count > 0) /* Check if a CPU has recorded samples. */ -#define PMC_CPU_HAS_SAMPLES(C) (__predict_false(pmc_cpumask & (1 << (C)))) +#define PMC_CPU_HAS_SAMPLES(C) (__predict_false(CPU_ISSET(C, &pmc_cpumask))) /* * Helper functions. diff --git a/sys/sys/smp.h b/sys/sys/smp.h index 544cb95..410adfa 100644 --- a/sys/sys/smp.h +++ b/sys/sys/smp.h @@ -16,6 +16,8 @@ #ifndef LOCORE +#include <sys/cpuset.h> + /* * Topology of a NUMA or HTT system. * @@ -32,7 +34,7 @@ struct cpu_group { struct cpu_group *cg_parent; /* Our parent group. */ struct cpu_group *cg_child; /* Optional children groups. */ - cpumask_t cg_mask; /* Mask of cpus in this group. */ + cpuset_t cg_mask; /* Mask of cpus in this group. */ int8_t cg_count; /* Count of cpus in this group. */ int8_t cg_children; /* Number of children groups. */ int8_t cg_level; /* Shared cache level. */ @@ -71,10 +73,10 @@ struct cpu_group *smp_topo_find(struct cpu_group *top, int cpu); extern void (*cpustop_restartfunc)(void); extern int smp_active; extern int smp_cpus; -extern volatile cpumask_t started_cpus; -extern volatile cpumask_t stopped_cpus; -extern cpumask_t hlt_cpus_mask; -extern cpumask_t logical_cpus_mask; +extern volatile cpuset_t started_cpus; +extern volatile cpuset_t stopped_cpus; +extern cpuset_t hlt_cpus_mask; +extern cpuset_t logical_cpus_mask; #endif /* SMP */ extern u_int mp_maxid; @@ -82,14 +84,14 @@ extern int mp_maxcpus; extern int mp_ncpus; extern volatile int smp_started; -extern cpumask_t all_cpus; +extern cpuset_t all_cpus; /* * Macro allowing us to determine whether a CPU is absent at any given * time, thus permitting us to configure sparse maps of cpuid-dependent * (per-CPU) structures. */ -#define CPU_ABSENT(x_cpu) ((all_cpus & (1 << (x_cpu))) == 0) +#define CPU_ABSENT(x_cpu) (!CPU_ISSET(x_cpu, &all_cpus)) /* * Macros to iterate over non-absent CPUs. CPU_FOREACH() takes an @@ -158,11 +160,11 @@ void cpu_mp_setmaxid(void); void cpu_mp_start(void); void forward_signal(struct thread *); -int restart_cpus(cpumask_t); -int stop_cpus(cpumask_t); -int stop_cpus_hard(cpumask_t); +int restart_cpus(cpuset_t); +int stop_cpus(cpuset_t); +int stop_cpus_hard(cpuset_t); #if defined(__amd64__) -int suspend_cpus(cpumask_t); +int suspend_cpus(cpuset_t); #endif void smp_rendezvous_action(void); extern struct mtx smp_ipi_mtx; @@ -173,7 +175,7 @@ void smp_rendezvous(void (*)(void *), void (*)(void *), void (*)(void *), void *arg); -void smp_rendezvous_cpus(cpumask_t, +void smp_rendezvous_cpus(cpuset_t, void (*)(void *), void (*)(void *), void (*)(void *), diff --git a/sys/sys/types.h b/sys/sys/types.h index c747d16..5cc005d 100644 --- a/sys/sys/types.h +++ b/sys/sys/types.h @@ -143,7 +143,6 @@ typedef __clockid_t clockid_t; #define _CLOCKID_T_DECLARED #endif -typedef __cpumask_t cpumask_t; typedef __critical_t critical_t; /* Critical section value */ typedef __int64_t daddr_t; /* disk address */ |