diff options
Diffstat (limited to 'arch/mips/include/asm/cpu-info.h')
| -rw-r--r-- | arch/mips/include/asm/cpu-info.h | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index 8f7adf0ac1e3..47d5967ce7ef 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -39,16 +39,17 @@ struct cache_desc { #define MIPS_CACHE_PINDEX 0x00000020 /* Physically indexed cache */ struct cpuinfo_mips { - unsigned int udelay_val; - unsigned int asid_cache; + unsigned long asid_cache; /* * Capability and feature descriptor structure for MIPS CPU */ unsigned long options; unsigned long ases; + unsigned int udelay_val; unsigned int processor_id; unsigned int fpu_id; + unsigned int msa_id; unsigned int cputype; int isa_level; int tlbsize; @@ -64,18 +65,13 @@ struct cpuinfo_mips { #ifdef CONFIG_64BIT int vmbits; /* Virtual memory size in bits */ #endif -#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC) +#ifdef CONFIG_MIPS_MT_SMP /* - * In the MIPS MT "SMTC" model, each TC is considered - * to be a "CPU" for the purposes of scheduling, but - * exception resources, ASID spaces, etc, are common - * to all TCs within the same VPE. + * There is not necessarily a 1:1 mapping of VPE num to CPU number + * in particular on multi-core systems. */ int vpe_id; /* Virtual Processor number */ #endif -#ifdef CONFIG_MIPS_MT_SMTC - int tc_id; /* Thread Context number */ -#endif void *data; /* Additional data */ unsigned int watch_reg_count; /* Number that exist */ unsigned int watch_reg_use_cnt; /* Usable by ptrace */ @@ -95,4 +91,31 @@ extern void cpu_report(void); extern const char *__cpu_name[]; #define cpu_name_string() __cpu_name[smp_processor_id()] +struct seq_file; +struct notifier_block; + +extern int register_proc_cpuinfo_notifier(struct notifier_block *nb); +extern int proc_cpuinfo_notifier_call_chain(unsigned long val, void *v); + +#define proc_cpuinfo_notifier(fn, pri) \ +({ \ + static struct notifier_block fn##_nb = { \ + .notifier_call = fn, \ + .priority = pri \ + }; \ + \ + register_proc_cpuinfo_notifier(&fn##_nb); \ +}) + +struct proc_cpuinfo_notifier_args { + struct seq_file *m; + unsigned long n; +}; + +#ifdef CONFIG_MIPS_MT_SMP +# define cpu_vpe_id(cpuinfo) ((cpuinfo)->vpe_id) +#else +# define cpu_vpe_id(cpuinfo) 0 +#endif + #endif /* __ASM_CPU_INFO_H */ |