diff options
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/cppc_acpi.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h index 94a6277edab2..3f0005abac64 100644 --- a/include/acpi/cppc_acpi.h +++ b/include/acpi/cppc_acpi.h @@ -72,11 +72,16 @@ struct cpc_register_resource { struct { struct cpc_reg reg; bool use_rmw_lock; + bool read_unsupported; + bool write_unsupported; }; u64 int_value; } cpc_entry; }; +struct cpc_sysmem_node; +struct cpc_non_mmio_node; + /* Container to hold the CPC details for each CPU */ struct cpc_desc { int num_entries; @@ -84,10 +89,12 @@ struct cpc_desc { int cpu_id; int write_cmd_status; int write_cmd_id; - /* Lock used for RMW operations in cpc_write() */ + /* Serialize partial SystemMemory writes within this descriptor. */ raw_spinlock_t rmw_lock; struct cpc_register_resource cpc_regs[MAX_CPC_REG_ENT]; struct acpi_psd_package domain_info; + struct cpc_sysmem_node *sysmem_nodes; + struct cpc_non_mmio_node *non_mmio_nodes; struct kobject kobj; }; @@ -141,6 +148,8 @@ struct cppc_perf_ctrls { u32 desired_perf; u32 energy_perf; bool auto_sel; + /* Allow an explicit zero minimum; otherwise zero omits the update. */ + bool min_perf_valid; }; struct cppc_perf_fb_ctrs { @@ -188,6 +197,7 @@ extern int cppc_set_epp(int cpu, u64 epp_val); extern int cppc_get_auto_act_window(int cpu, u64 *auto_act_window); extern int cppc_set_auto_act_window(int cpu, u64 auto_act_window); extern int cppc_get_auto_sel(int cpu, bool *enable); +bool cppc_auto_sel_is_immutable(int cpu); extern int cppc_set_auto_sel(int cpu, bool enable); extern int cppc_get_perf_limited(int cpu, u64 *perf_limited); extern int cppc_set_perf_limited(int cpu, u64 bits_to_clear); @@ -289,6 +299,12 @@ static inline int cppc_get_auto_sel(int cpu, bool *enable) { return -EOPNOTSUPP; } + +static inline bool cppc_auto_sel_is_immutable(int cpu) +{ + return false; +} + static inline int cppc_set_auto_sel(int cpu, bool enable) { return -EOPNOTSUPP; |