enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 kernel/include/acpi/cppc_acpi.h
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@@ -1,14 +1,10 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * CPPC (Collaborative Processor Performance Control) methods used
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  * by CPUfreq drivers.
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  *
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  * (C) Copyright 2014, 2015 Linaro Ltd.
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  * Author: Ashwin Chaugule <ashwin.chaugule@linaro.org>
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; version 2
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- * of the License.
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  */
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 #ifndef _CPPC_ACPI_H
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@@ -20,7 +16,7 @@
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 #include <acpi/pcc.h>
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 #include <acpi/processor.h>
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-/* Support CPPCv2 and CPPCv3  */
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+/* CPPCv2 and CPPCv3 support */
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 #define CPPC_V2_REV	2
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 #define CPPC_V3_REV	3
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 #define CPPC_V2_NUM_ENT	21
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@@ -104,6 +100,7 @@
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  * today.
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  */
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 struct cppc_perf_caps {
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+	u32 guaranteed_perf;
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 	u32 highest_perf;
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 	u32 nominal_perf;
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 	u32 lowest_perf;
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@@ -136,10 +133,14 @@
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 	cpumask_var_t shared_cpu_map;
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 };
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+extern int cppc_get_desired_perf(int cpunum, u64 *desired_perf);
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 extern int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs);
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 extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls);
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 extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps);
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 extern int acpi_get_psd_map(struct cppc_cpudata **);
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 extern unsigned int cppc_get_transition_latency(int cpu);
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+extern bool cpc_ffh_supported(void);
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+extern int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val);
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+extern int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val);
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 #endif /* _CPPC_ACPI_H*/