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kernels
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3.10.0-1062.9.1.el7.x86_64
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include
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xen
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interface
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platform.h
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/****************************************************************************** * platform.h * * Hardware platform operations. Intended for use by domain-0 kernel. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Copyright (c) 2002-2006, K Fraser */ #ifndef __XEN_PUBLIC_PLATFORM_H__ #define __XEN_PUBLIC_PLATFORM_H__ #include <xen/interface/xen.h> #define XENPF_INTERFACE_VERSION 0x03000001 /* * Set clock such that it would read <secs,nsecs> after 00:00:00 UTC, * 1 January, 1970 if the current system time was <system_time>. */ #define XENPF_settime 17 struct xenpf_settime { /* IN variables. */ uint32_t secs; uint32_t nsecs; uint64_t system_time; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_settime_t); /* * Request memory range (@mfn, @mfn+@nr_mfns-1) to have type @type. * On x86, @type is an architecture-defined MTRR memory type. * On success, returns the MTRR that was used (@reg) and a handle that can * be passed to XENPF_DEL_MEMTYPE to accurately tear down the new setting. * (x86-specific). */ #define XENPF_add_memtype 31 struct xenpf_add_memtype { /* IN variables. */ xen_pfn_t mfn; uint64_t nr_mfns; uint32_t type; /* OUT variables. */ uint32_t handle; uint32_t reg; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_add_memtype_t); /* * Tear down an existing memory-range type. If @handle is remembered then it * should be passed in to accurately tear down the correct setting (in case * of overlapping memory regions with differing types). If it is not known * then @handle should be set to zero. In all cases @reg must be set. * (x86-specific). */ #define XENPF_del_memtype 32 struct xenpf_del_memtype { /* IN variables. */ uint32_t handle; uint32_t reg; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_del_memtype_t); /* Read current type of an MTRR (x86-specific). */ #define XENPF_read_memtype 33 struct xenpf_read_memtype { /* IN variables. */ uint32_t reg; /* OUT variables. */ xen_pfn_t mfn; uint64_t nr_mfns; uint32_t type; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_read_memtype_t); #define XENPF_microcode_update 35 struct xenpf_microcode_update { /* IN variables. */ GUEST_HANDLE(void) data; /* Pointer to microcode data */ uint32_t length; /* Length of microcode data. */ }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_microcode_update_t); #define XENPF_platform_quirk 39 #define QUIRK_NOIRQBALANCING 1 /* Do not restrict IO-APIC RTE targets */ #define QUIRK_IOAPIC_BAD_REGSEL 2 /* IO-APIC REGSEL forgets its value */ #define QUIRK_IOAPIC_GOOD_REGSEL 3 /* IO-APIC REGSEL behaves properly */ struct xenpf_platform_quirk { /* IN variables. */ uint32_t quirk_id; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_platform_quirk_t); #define XENPF_firmware_info 50 #define XEN_FW_DISK_INFO 1 /* from int 13 AH=08/41/48 */ #define XEN_FW_DISK_MBR_SIGNATURE 2 /* from MBR offset 0x1b8 */ #define XEN_FW_VBEDDC_INFO 3 /* from int 10 AX=4f15 */ #define XEN_FW_KBD_SHIFT_FLAGS 5 /* Int16, Fn02: Get keyboard shift flags. */ struct xenpf_firmware_info { /* IN variables. */ uint32_t type; uint32_t index; /* OUT variables. */ union { struct { /* Int13, Fn48: Check Extensions Present. */ uint8_t device; /* %dl: bios device number */ uint8_t version; /* %ah: major version */ uint16_t interface_support; /* %cx: support bitmap */ /* Int13, Fn08: Legacy Get Device Parameters. */ uint16_t legacy_max_cylinder; /* %cl[7:6]:%ch: max cyl # */ uint8_t legacy_max_head; /* %dh: max head # */ uint8_t legacy_sectors_per_track; /* %cl[5:0]: max sector # */ /* Int13, Fn41: Get Device Parameters (as filled into %ds:%esi). */ /* NB. First uint16_t of buffer must be set to buffer size. */ GUEST_HANDLE(void) edd_params; } disk_info; /* XEN_FW_DISK_INFO */ struct { uint8_t device; /* bios device number */ uint32_t mbr_signature; /* offset 0x1b8 in mbr */ } disk_mbr_signature; /* XEN_FW_DISK_MBR_SIGNATURE */ struct { /* Int10, AX=4F15: Get EDID info. */ uint8_t capabilities; uint8_t edid_transfer_time; /* must refer to 128-byte buffer */ GUEST_HANDLE(uchar) edid; } vbeddc_info; /* XEN_FW_VBEDDC_INFO */ uint8_t kbd_shift_flags; /* XEN_FW_KBD_SHIFT_FLAGS */ } u; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_firmware_info_t); #define XENPF_enter_acpi_sleep 51 struct xenpf_enter_acpi_sleep { /* IN variables */ uint16_t pm1a_cnt_val; /* PM1a control value. */ uint16_t pm1b_cnt_val; /* PM1b control value. */ uint32_t sleep_state; /* Which state to enter (Sn). */ uint32_t flags; /* Must be zero. */ }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_enter_acpi_sleep_t); #define XENPF_change_freq 52 struct xenpf_change_freq { /* IN variables */ uint32_t flags; /* Must be zero. */ uint32_t cpu; /* Physical cpu. */ uint64_t freq; /* New frequency (Hz). */ }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_change_freq_t); /* * Get idle times (nanoseconds since boot) for physical CPUs specified in the * @cpumap_bitmap with range [0..@cpumap_nr_cpus-1]. The @idletime array is * indexed by CPU number; only entries with the corresponding @cpumap_bitmap * bit set are written to. On return, @cpumap_bitmap is modified so that any * non-existent CPUs are cleared. Such CPUs have their @idletime array entry * cleared. */ #define XENPF_getidletime 53 struct xenpf_getidletime { /* IN/OUT variables */ /* IN: CPUs to interrogate; OUT: subset of IN which are present */ GUEST_HANDLE(uchar) cpumap_bitmap; /* IN variables */ /* Size of cpumap bitmap. */ uint32_t cpumap_nr_cpus; /* Must be indexable for every cpu in cpumap_bitmap. */ GUEST_HANDLE(uint64_t) idletime; /* OUT variables */ /* System time when the idletime snapshots were taken. */ uint64_t now; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_getidletime_t); #define XENPF_set_processor_pminfo 54 /* ability bits */ #define XEN_PROCESSOR_PM_CX 1 #define XEN_PROCESSOR_PM_PX 2 #define XEN_PROCESSOR_PM_TX 4 /* cmd type */ #define XEN_PM_CX 0 #define XEN_PM_PX 1 #define XEN_PM_TX 2 #define XEN_PM_PDC 3 /* Px sub info type */ #define XEN_PX_PCT 1 #define XEN_PX_PSS 2 #define XEN_PX_PPC 4 #define XEN_PX_PSD 8 struct xen_power_register { uint32_t space_id; uint32_t bit_width; uint32_t bit_offset; uint32_t access_size; uint64_t address; }; struct xen_processor_csd { uint32_t domain; /* domain number of one dependent group */ uint32_t coord_type; /* coordination type */ uint32_t num; /* number of processors in same domain */ }; DEFINE_GUEST_HANDLE_STRUCT(xen_processor_csd); struct xen_processor_cx { struct xen_power_register reg; /* GAS for Cx trigger register */ uint8_t type; /* cstate value, c0: 0, c1: 1, ... */ uint32_t latency; /* worst latency (ms) to enter/exit this cstate */ uint32_t power; /* average power consumption(mW) */ uint32_t dpcnt; /* number of dependency entries */ GUEST_HANDLE(xen_processor_csd) dp; /* NULL if no dependency */ }; DEFINE_GUEST_HANDLE_STRUCT(xen_processor_cx); struct xen_processor_flags { uint32_t bm_control:1; uint32_t bm_check:1; uint32_t has_cst:1; uint32_t power_setup_done:1; uint32_t bm_rld_set:1; }; struct xen_processor_power { uint32_t count; /* number of C state entries in array below */ struct xen_processor_flags flags; /* global flags of this processor */ GUEST_HANDLE(xen_processor_cx) states; /* supported c states */ }; struct xen_pct_register { uint8_t descriptor; uint16_t length; uint8_t space_id; uint8_t bit_width; uint8_t bit_offset; uint8_t reserved; uint64_t address; }; struct xen_processor_px { uint64_t core_frequency; /* megahertz */ uint64_t power; /* milliWatts */ uint64_t transition_latency; /* microseconds */ uint64_t bus_master_latency; /* microseconds */ uint64_t control; /* control value */ uint64_t status; /* success indicator */ }; DEFINE_GUEST_HANDLE_STRUCT(xen_processor_px); struct xen_psd_package { uint64_t num_entries; uint64_t revision; uint64_t domain; uint64_t coord_type; uint64_t num_processors; }; struct xen_processor_performance { uint32_t flags; /* flag for Px sub info type */ uint32_t platform_limit; /* Platform limitation on freq usage */ struct xen_pct_register control_register; struct xen_pct_register status_register; uint32_t state_count; /* total available performance states */ GUEST_HANDLE(xen_processor_px) states; struct xen_psd_package domain_info; uint32_t shared_type; /* coordination type of this processor */ }; DEFINE_GUEST_HANDLE_STRUCT(xen_processor_performance); struct xenpf_set_processor_pminfo { /* IN variables */ uint32_t id; /* ACPI CPU ID */ uint32_t type; /* {XEN_PM_CX, XEN_PM_PX} */ union { struct xen_processor_power power;/* Cx: _CST/_CSD */ struct xen_processor_performance perf; /* Px: _PPC/_PCT/_PSS/_PSD */ GUEST_HANDLE(uint32_t) pdc; }; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_set_processor_pminfo); #define XENPF_get_cpuinfo 55 struct xenpf_pcpuinfo { /* IN */ uint32_t xen_cpuid; /* OUT */ /* The maxium cpu_id that is present */ uint32_t max_present; #define XEN_PCPU_FLAGS_ONLINE 1 /* Correponding xen_cpuid is not present*/ #define XEN_PCPU_FLAGS_INVALID 2 uint32_t flags; uint32_t apic_id; uint32_t acpi_id; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_pcpuinfo); #define XENPF_cpu_online 56 #define XENPF_cpu_offline 57 struct xenpf_cpu_ol { uint32_t cpuid; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_cpu_ol); #define XENPF_cpu_hotadd 58 struct xenpf_cpu_hotadd { uint32_t apic_id; uint32_t acpi_id; uint32_t pxm; }; #define XENPF_mem_hotadd 59 struct xenpf_mem_hotadd { uint64_t spfn; uint64_t epfn; uint32_t pxm; uint32_t flags; }; #define XENPF_core_parking 60 struct xenpf_core_parking { /* IN variables */ #define XEN_CORE_PARKING_SET 1 #define XEN_CORE_PARKING_GET 2 uint32_t type; /* IN variables: set cpu nums expected to be idled */ /* OUT variables: get cpu nums actually be idled */ uint32_t idle_nums; }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_core_parking); struct xen_platform_op { uint32_t cmd; uint32_t interface_version; /* XENPF_INTERFACE_VERSION */ union { struct xenpf_settime settime; struct xenpf_add_memtype add_memtype; struct xenpf_del_memtype del_memtype; struct xenpf_read_memtype read_memtype; struct xenpf_microcode_update microcode; struct xenpf_platform_quirk platform_quirk; struct xenpf_firmware_info firmware_info; struct xenpf_enter_acpi_sleep enter_acpi_sleep; struct xenpf_change_freq change_freq; struct xenpf_getidletime getidletime; struct xenpf_set_processor_pminfo set_pminfo; struct xenpf_pcpuinfo pcpu_info; struct xenpf_cpu_ol cpu_ol; struct xenpf_cpu_hotadd cpu_add; struct xenpf_mem_hotadd mem_add; struct xenpf_core_parking core_parking; uint8_t pad[128]; } u; }; DEFINE_GUEST_HANDLE_STRUCT(xen_platform_op_t); #endif /* __XEN_PUBLIC_PLATFORM_H__ */