Date: Wed, 21 Nov 2018 00:21:58 +0000 (UTC) From: Ben Widawsky <bwidawsk@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340716 - head/sys/x86/include Message-ID: <201811210021.wAL0Lw2q030664@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: bwidawsk Date: Wed Nov 21 00:21:58 2018 New Revision: 340716 URL: https://svnweb.freebsd.org/changeset/base/340716 Log: Add definitions for Intel Speed Shift These definitions will be used by a driver to implement Hardware P-States (autonomous control of HWP, via Intel Speed Shift technology). Reviewed by: kib Approved by: emaste (mentor) Differential Revision: https://reviews.freebsd.org/D18050 Modified: head/sys/x86/include/specialreg.h Modified: head/sys/x86/include/specialreg.h ============================================================================== --- head/sys/x86/include/specialreg.h Wed Nov 21 00:16:43 2018 (r340715) +++ head/sys/x86/include/specialreg.h Wed Nov 21 00:21:58 2018 (r340716) @@ -189,6 +189,12 @@ #define CPUTPM1_SENSOR 0x00000001 #define CPUTPM1_TURBO 0x00000002 #define CPUTPM1_ARAT 0x00000004 +#define CPUTPM1_HWP 0x00000080 +#define CPUTPM1_HWP_NOTIFICATION 0x00000100 +#define CPUTPM1_HWP_ACTIVITY_WINDOW 0x00000200 +#define CPUTPM1_HWP_PERF_PREF 0x00000400 +#define CPUTPM1_HWP_PKG 0x00000800 +#define CPUTPM1_HWP_FLEXIBLE 0x00020000 #define CPUTPM2_EFFREQ 0x00000001 /* Intel Processor Trace CPUID. */ @@ -541,7 +547,14 @@ #define MSR_DRAM_ENERGY_STATUS 0x619 #define MSR_PP0_ENERGY_STATUS 0x639 #define MSR_PP1_ENERGY_STATUS 0x641 +#define MSR_PPERF 0x64e #define MSR_TSC_DEADLINE 0x6e0 /* Writes are not serializing */ +#define MSR_IA32_PM_ENABLE 0x770 +#define MSR_IA32_HWP_CAPABILITIES 0x771 +#define MSR_IA32_HWP_REQUEST_PKG 0x772 +#define MSR_IA32_HWP_INTERRUPT 0x773 +#define MSR_IA32_HWP_REQUEST 0x774 +#define MSR_IA32_HWP_STATUS 0x777 /* * VMX MSRs @@ -717,6 +730,25 @@ /* MSR IA32_FLUSH_CMD */ #define IA32_FLUSH_CMD_L1D 0x00000001 + +/* MSR IA32_HWP_CAPABILITIES */ +#define IA32_HWP_CAPABILITIES_HIGHEST_PERFORMANCE(x) (((x) >> 0) & 0xff) +#define IA32_HWP_CAPABILITIES_GUARANTEED_PERFORMANCE(x) (((x) >> 8) & 0xff) +#define IA32_HWP_CAPABILITIES_EFFICIENT_PERFORMANCE(x) (((x) >> 16) & 0xff) +#define IA32_HWP_CAPABILITIES_LOWEST_PERFORMANCE(x) (((x) >> 24) & 0xff) + +/* MSR IA32_HWP_REQUEST */ +#define IA32_HWP_REQUEST_MINIMUM_VALID (1ULL << 63) +#define IA32_HWP_REQUEST_MAXIMUM_VALID (1ULL << 62) +#define IA32_HWP_REQUEST_DESIRED_VALID (1ULL << 61) +#define IA32_HWP_REQUEST_EPP_VALID (1ULL << 60) +#define IA32_HWP_REQUEST_ACTIVITY_WINDOW_VALID (1ULL << 59) +#define IA32_HWP_REQUEST_PACKAGE_CONTROL (1ULL << 42) +#define IA32_HWP_ACTIVITY_WINDOW (0x3ffULL << 32) +#define IA32_HWP_REQUEST_ENERGY_PERFORMANCE_PREFERENCE (0xffULL << 24) +#define IA32_HWP_DESIRED_PERFORMANCE (0xffULL << 16) +#define IA32_HWP_REQUEST_MAXIMUM_PERFORMANCE (0xffULL << 8) +#define IA32_HWP_MINIMUM_PERFORMANCE (0xffULL << 0) /* * PAT modes.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201811210021.wAL0Lw2q030664>