diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/acpi.h | 19 | ||||
| -rw-r--r-- | include/linux/arm-smccc.h | 10 | ||||
| -rw-r--r-- | include/linux/cacheinfo.h | 25 | ||||
| -rw-r--r-- | include/linux/perf/arm_pmu.h | 2 |
4 files changed, 50 insertions, 6 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 8758a2a9e6c1..4b35a66383f9 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1299,4 +1299,23 @@ static inline int lpit_read_residency_count_address(u64 *address) } #endif +#ifdef CONFIG_ACPI_PPTT +int find_acpi_cpu_topology(unsigned int cpu, int level); +int find_acpi_cpu_topology_package(unsigned int cpu); +int find_acpi_cpu_cache_topology(unsigned int cpu, int level); +#else +static inline int find_acpi_cpu_topology(unsigned int cpu, int level) +{ + return -EINVAL; +} +static inline int find_acpi_cpu_topology_package(unsigned int cpu) +{ + return -EINVAL; +} +static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level) +{ + return -EINVAL; +} +#endif + #endif /*_LINUX_ACPI_H*/ diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index a031897fca76..ca1d2cc2cdfa 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -80,6 +80,11 @@ ARM_SMCCC_SMC_32, \ 0, 0x8000) +#define ARM_SMCCC_ARCH_WORKAROUND_2 \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + 0, 0x7fff) + #ifndef __ASSEMBLY__ #include <linux/linkage.h> @@ -291,5 +296,10 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, */ #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__) +/* Return codes defined in ARM DEN 0070A */ +#define SMCCC_RET_SUCCESS 0 +#define SMCCC_RET_NOT_SUPPORTED -1 +#define SMCCC_RET_NOT_REQUIRED -2 + #endif /*__ASSEMBLY__*/ #endif /*__LINUX_ARM_SMCCC_H*/ diff --git a/include/linux/cacheinfo.h b/include/linux/cacheinfo.h index 3d9805297cda..70e19bc6cc9f 100644 --- a/include/linux/cacheinfo.h +++ b/include/linux/cacheinfo.h @@ -34,9 +34,8 @@ enum cache_type { * @shared_cpu_map: logical cpumask representing all the cpus sharing * this cache node * @attributes: bitfield representing various cache attributes - * @of_node: if devicetree is used, this represents either the cpu node in - * case there's no explicit cache node or the cache node itself in the - * device tree + * @fw_token: Unique value used to determine if different cacheinfo + * structures represent a single hardware cache instance. * @disable_sysfs: indicates whether this node is visible to the user via * sysfs or not * @priv: pointer to any private data structure specific to particular @@ -65,8 +64,7 @@ struct cacheinfo { #define CACHE_ALLOCATE_POLICY_MASK \ (CACHE_READ_ALLOCATE | CACHE_WRITE_ALLOCATE) #define CACHE_ID BIT(4) - - struct device_node *of_node; + void *fw_token; bool disable_sysfs; void *priv; }; @@ -99,6 +97,23 @@ int func(unsigned int cpu) \ struct cpu_cacheinfo *get_cpu_cacheinfo(unsigned int cpu); int init_cache_level(unsigned int cpu); int populate_cache_leaves(unsigned int cpu); +int cache_setup_acpi(unsigned int cpu); +#ifndef CONFIG_ACPI_PPTT +/* + * acpi_find_last_cache_level is only called on ACPI enabled + * platforms using the PPTT for topology. This means that if + * the platform supports other firmware configuration methods + * we need to stub out the call when ACPI is disabled. + * ACPI enabled platforms not using PPTT won't be making calls + * to this function so we need not worry about them. + */ +static inline int acpi_find_last_cache_level(unsigned int cpu) +{ + return 0; +} +#else +int acpi_find_last_cache_level(unsigned int cpu); +#endif const struct attribute_group *cache_get_priv_group(struct cacheinfo *this_leaf); diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h index 40036a57d072..ad5444491975 100644 --- a/include/linux/perf/arm_pmu.h +++ b/include/linux/perf/arm_pmu.h @@ -78,7 +78,7 @@ struct arm_pmu { struct pmu pmu; cpumask_t supported_cpus; char *name; - irqreturn_t (*handle_irq)(int irq_num, void *dev); + irqreturn_t (*handle_irq)(struct arm_pmu *pmu); void (*enable)(struct perf_event *event); void (*disable)(struct perf_event *event); int (*get_event_idx)(struct pmu_hw_events *hw_events, |