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Diffstat (limited to 'arch/mips/include/asm/cpu-info.h')
-rw-r--r--arch/mips/include/asm/cpu-info.h43
1 files changed, 41 insertions, 2 deletions
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index af12c1f9f1a8..edbe2734a1bf 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -28,6 +28,15 @@ struct cache_desc {
unsigned char flags; /* Flags describing cache properties */
};
+struct guest_info {
+ unsigned long ases;
+ unsigned long ases_dyn;
+ unsigned long long options;
+ unsigned long long options_dyn;
+ u8 conf;
+ u8 kscratch_mask;
+};
+
/*
* Flag definitions
*/
@@ -40,6 +49,9 @@ struct cache_desc {
struct cpuinfo_mips {
unsigned long asid_cache;
+#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE
+ unsigned long asid_mask;
+#endif
/*
* Capability and feature descriptor structure for MIPS CPU
@@ -60,6 +72,7 @@ struct cpuinfo_mips {
int tlbsizeftlbways;
struct cache_desc icache; /* Primary I-cache */
struct cache_desc dcache; /* Primary D or combined I/D cache */
+ struct cache_desc vcache; /* Victim cache, between pcache and scache */
struct cache_desc scache; /* Secondary cache */
struct cache_desc tcache; /* Tertiary/split secondary cache */
int srsets; /* Shadow register sets */
@@ -68,7 +81,7 @@ struct cpuinfo_mips {
#ifdef CONFIG_64BIT
int vmbits; /* Virtual memory size in bits */
#endif
-#ifdef CONFIG_MIPS_MT_SMP
+#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_CPU_MIPSR6)
/*
* There is not necessarily a 1:1 mapping of VPE num to CPU number
* in particular on multi-core systems.
@@ -91,6 +104,11 @@ struct cpuinfo_mips {
* htw_start/htw_stop calls
*/
unsigned int htw_seq;
+
+ /* VZ & Guest features */
+ struct guest_info guest;
+ unsigned int gtoffset_mask;
+ unsigned int guestid_mask;
} __attribute__((aligned(SMP_CACHE_BYTES)));
extern struct cpuinfo_mips cpu_data[];
@@ -125,10 +143,31 @@ struct proc_cpuinfo_notifier_args {
unsigned long n;
};
-#ifdef CONFIG_MIPS_MT_SMP
+#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_CPU_MIPSR6)
# define cpu_vpe_id(cpuinfo) ((cpuinfo)->vpe_id)
#else
# define cpu_vpe_id(cpuinfo) ({ (void)cpuinfo; 0; })
#endif
+static inline unsigned long cpu_asid_inc(void)
+{
+ return 1 << CONFIG_MIPS_ASID_SHIFT;
+}
+
+static inline unsigned long cpu_asid_mask(struct cpuinfo_mips *cpuinfo)
+{
+#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE
+ return cpuinfo->asid_mask;
+#endif
+ return ((1 << CONFIG_MIPS_ASID_BITS) - 1) << CONFIG_MIPS_ASID_SHIFT;
+}
+
+static inline void set_cpu_asid_mask(struct cpuinfo_mips *cpuinfo,
+ unsigned long asid_mask)
+{
+#ifdef CONFIG_MIPS_ASID_BITS_VARIABLE
+ cpuinfo->asid_mask = asid_mask;
+#endif
+}
+
#endif /* __ASM_CPU_INFO_H */