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1/* SPDX-License-Identifier: MIT */2/******************************************************************************3 * platform.h4 *5 * Hardware platform operations. Intended for use by domain-0 kernel.6 *7 * Copyright (c) 2002-2006, K Fraser8 */9 10#ifndef __XEN_PUBLIC_PLATFORM_H__11#define __XEN_PUBLIC_PLATFORM_H__12 13#include <xen/interface/xen.h>14 15#define XENPF_INTERFACE_VERSION 0x0300000116 17/*18 * Set clock such that it would read <secs,nsecs> after 00:00:00 UTC,19 * 1 January, 1970 if the current system time was <system_time>.20 */21#define XENPF_settime32             1722struct xenpf_settime32 {23	/* IN variables. */24	uint32_t secs;25	uint32_t nsecs;26	uint64_t system_time;27};28DEFINE_GUEST_HANDLE_STRUCT(xenpf_settime32_t);29#define XENPF_settime64           6230struct xenpf_settime64 {31    /* IN variables. */32    uint64_t secs;33    uint32_t nsecs;34    uint32_t mbz;35    uint64_t system_time;36};37DEFINE_GUEST_HANDLE_STRUCT(xenpf_settime64_t);38 39/*40 * Request memory range (@mfn, @mfn+@nr_mfns-1) to have type @type.41 * On x86, @type is an architecture-defined MTRR memory type.42 * On success, returns the MTRR that was used (@reg) and a handle that can43 * be passed to XENPF_DEL_MEMTYPE to accurately tear down the new setting.44 * (x86-specific).45 */46#define XENPF_add_memtype         3147struct xenpf_add_memtype {48	/* IN variables. */49	xen_pfn_t mfn;50	uint64_t nr_mfns;51	uint32_t type;52	/* OUT variables. */53	uint32_t handle;54	uint32_t reg;55};56DEFINE_GUEST_HANDLE_STRUCT(xenpf_add_memtype_t);57 58/*59 * Tear down an existing memory-range type. If @handle is remembered then it60 * should be passed in to accurately tear down the correct setting (in case61 * of overlapping memory regions with differing types). If it is not known62 * then @handle should be set to zero. In all cases @reg must be set.63 * (x86-specific).64 */65#define XENPF_del_memtype         3266struct xenpf_del_memtype {67	/* IN variables. */68	uint32_t handle;69	uint32_t reg;70};71DEFINE_GUEST_HANDLE_STRUCT(xenpf_del_memtype_t);72 73/* Read current type of an MTRR (x86-specific). */74#define XENPF_read_memtype        3375struct xenpf_read_memtype {76	/* IN variables. */77	uint32_t reg;78	/* OUT variables. */79	xen_pfn_t mfn;80	uint64_t nr_mfns;81	uint32_t type;82};83DEFINE_GUEST_HANDLE_STRUCT(xenpf_read_memtype_t);84 85#define XENPF_microcode_update    3586struct xenpf_microcode_update {87	/* IN variables. */88	GUEST_HANDLE(void) data;          /* Pointer to microcode data */89	uint32_t length;                  /* Length of microcode data. */90};91DEFINE_GUEST_HANDLE_STRUCT(xenpf_microcode_update_t);92 93#define XENPF_platform_quirk      3994#define QUIRK_NOIRQBALANCING      1 /* Do not restrict IO-APIC RTE targets */95#define QUIRK_IOAPIC_BAD_REGSEL   2 /* IO-APIC REGSEL forgets its value    */96#define QUIRK_IOAPIC_GOOD_REGSEL  3 /* IO-APIC REGSEL behaves properly     */97struct xenpf_platform_quirk {98	/* IN variables. */99	uint32_t quirk_id;100};101DEFINE_GUEST_HANDLE_STRUCT(xenpf_platform_quirk_t);102 103#define XENPF_efi_runtime_call    49104#define XEN_EFI_get_time                      1105#define XEN_EFI_set_time                      2106#define XEN_EFI_get_wakeup_time               3107#define XEN_EFI_set_wakeup_time               4108#define XEN_EFI_get_next_high_monotonic_count 5109#define XEN_EFI_get_variable                  6110#define XEN_EFI_set_variable                  7111#define XEN_EFI_get_next_variable_name        8112#define XEN_EFI_query_variable_info           9113#define XEN_EFI_query_capsule_capabilities   10114#define XEN_EFI_update_capsule               11115 116struct xenpf_efi_runtime_call {117	uint32_t function;118	/*119	 * This field is generally used for per sub-function flags (defined120	 * below), except for the XEN_EFI_get_next_high_monotonic_count case,121	 * where it holds the single returned value.122	 */123	uint32_t misc;124	xen_ulong_t status;125	union {126#define XEN_EFI_GET_TIME_SET_CLEARS_NS 0x00000001127		struct {128			struct xenpf_efi_time {129				uint16_t year;130				uint8_t month;131				uint8_t day;132				uint8_t hour;133				uint8_t min;134				uint8_t sec;135				uint32_t ns;136				int16_t tz;137				uint8_t daylight;138			} time;139			uint32_t resolution;140			uint32_t accuracy;141		} get_time;142 143		struct xenpf_efi_time set_time;144 145#define XEN_EFI_GET_WAKEUP_TIME_ENABLED 0x00000001146#define XEN_EFI_GET_WAKEUP_TIME_PENDING 0x00000002147		struct xenpf_efi_time get_wakeup_time;148 149#define XEN_EFI_SET_WAKEUP_TIME_ENABLE      0x00000001150#define XEN_EFI_SET_WAKEUP_TIME_ENABLE_ONLY 0x00000002151		struct xenpf_efi_time set_wakeup_time;152 153#define XEN_EFI_VARIABLE_NON_VOLATILE       0x00000001154#define XEN_EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002155#define XEN_EFI_VARIABLE_RUNTIME_ACCESS     0x00000004156		struct {157			GUEST_HANDLE(void) name;  /* UCS-2/UTF-16 string */158			xen_ulong_t size;159			GUEST_HANDLE(void) data;160			struct xenpf_efi_guid {161				uint32_t data1;162				uint16_t data2;163				uint16_t data3;164				uint8_t data4[8];165			} vendor_guid;166		} get_variable, set_variable;167 168		struct {169			xen_ulong_t size;170			GUEST_HANDLE(void) name;  /* UCS-2/UTF-16 string */171			struct xenpf_efi_guid vendor_guid;172		} get_next_variable_name;173 174		struct {175			uint32_t attr;176			uint64_t max_store_size;177			uint64_t remain_store_size;178			uint64_t max_size;179		} query_variable_info;180 181		struct {182			GUEST_HANDLE(void) capsule_header_array;183			xen_ulong_t capsule_count;184			uint64_t max_capsule_size;185			uint32_t reset_type;186		} query_capsule_capabilities;187 188		struct {189			GUEST_HANDLE(void) capsule_header_array;190			xen_ulong_t capsule_count;191			uint64_t sg_list; /* machine address */192		} update_capsule;193	} u;194};195DEFINE_GUEST_HANDLE_STRUCT(xenpf_efi_runtime_call);196 197#define  XEN_FW_EFI_VERSION        0198#define  XEN_FW_EFI_CONFIG_TABLE   1199#define  XEN_FW_EFI_VENDOR         2200#define  XEN_FW_EFI_MEM_INFO       3201#define  XEN_FW_EFI_RT_VERSION     4202 203#define XENPF_firmware_info       50204#define XEN_FW_DISK_INFO          1 /* from int 13 AH=08/41/48 */205#define XEN_FW_DISK_MBR_SIGNATURE 2 /* from MBR offset 0x1b8 */206#define XEN_FW_VBEDDC_INFO        3 /* from int 10 AX=4f15 */207#define XEN_FW_EFI_INFO           4 /* from EFI */208#define XEN_FW_KBD_SHIFT_FLAGS    5 /* Int16, Fn02: Get keyboard shift flags. */209 210struct xenpf_firmware_info {211	/* IN variables. */212	uint32_t type;213	uint32_t index;214	/* OUT variables. */215	union {216		struct {217			/* Int13, Fn48: Check Extensions Present. */218			uint8_t device;                   /* %dl: bios device number */219			uint8_t version;                  /* %ah: major version      */220			uint16_t interface_support;       /* %cx: support bitmap     */221			/* Int13, Fn08: Legacy Get Device Parameters. */222			uint16_t legacy_max_cylinder;     /* %cl[7:6]:%ch: max cyl # */223			uint8_t legacy_max_head;          /* %dh: max head #         */224			uint8_t legacy_sectors_per_track; /* %cl[5:0]: max sector #  */225			/* Int13, Fn41: Get Device Parameters (as filled into %ds:%esi). */226			/* NB. First uint16_t of buffer must be set to buffer size.      */227			GUEST_HANDLE(void) edd_params;228		} disk_info; /* XEN_FW_DISK_INFO */229		struct {230			uint8_t device;                   /* bios device number  */231			uint32_t mbr_signature;           /* offset 0x1b8 in mbr */232		} disk_mbr_signature; /* XEN_FW_DISK_MBR_SIGNATURE */233		struct {234			/* Int10, AX=4F15: Get EDID info. */235			uint8_t capabilities;236			uint8_t edid_transfer_time;237			/* must refer to 128-byte buffer */238			GUEST_HANDLE(uchar) edid;239		} vbeddc_info; /* XEN_FW_VBEDDC_INFO */240 241		union xenpf_efi_info {242			uint32_t version;243			struct {244				uint64_t addr;   /* EFI_CONFIGURATION_TABLE */245				uint32_t nent;246			} cfg;247			struct {248				uint32_t revision;249				uint32_t bufsz;  /* input, in bytes */250				GUEST_HANDLE(void) name;251				/* UCS-2/UTF-16 string */252			} vendor;253			struct {254				uint64_t addr;255				uint64_t size;256				uint64_t attr;257				uint32_t type;258			} mem;259		} efi_info; /* XEN_FW_EFI_INFO */260 261		uint8_t kbd_shift_flags; /* XEN_FW_KBD_SHIFT_FLAGS */262	} u;263};264DEFINE_GUEST_HANDLE_STRUCT(xenpf_firmware_info_t);265 266#define XENPF_enter_acpi_sleep    51267struct xenpf_enter_acpi_sleep {268	/* IN variables */269	uint16_t val_a;             /* PM1a control / sleep type A. */270	uint16_t val_b;             /* PM1b control / sleep type B. */271	uint32_t sleep_state;       /* Which state to enter (Sn). */272#define XENPF_ACPI_SLEEP_EXTENDED 0x00000001273	uint32_t flags;             /* XENPF_ACPI_SLEEP_*. */274};275DEFINE_GUEST_HANDLE_STRUCT(xenpf_enter_acpi_sleep_t);276 277#define XENPF_change_freq         52278struct xenpf_change_freq {279	/* IN variables */280	uint32_t flags; /* Must be zero. */281	uint32_t cpu;   /* Physical cpu. */282	uint64_t freq;  /* New frequency (Hz). */283};284DEFINE_GUEST_HANDLE_STRUCT(xenpf_change_freq_t);285 286/*287 * Get idle times (nanoseconds since boot) for physical CPUs specified in the288 * @cpumap_bitmap with range [0..@cpumap_nr_cpus-1]. The @idletime array is289 * indexed by CPU number; only entries with the corresponding @cpumap_bitmap290 * bit set are written to. On return, @cpumap_bitmap is modified so that any291 * non-existent CPUs are cleared. Such CPUs have their @idletime array entry292 * cleared.293 */294#define XENPF_getidletime         53295struct xenpf_getidletime {296	/* IN/OUT variables */297	/* IN: CPUs to interrogate; OUT: subset of IN which are present */298	GUEST_HANDLE(uchar) cpumap_bitmap;299	/* IN variables */300	/* Size of cpumap bitmap. */301	uint32_t cpumap_nr_cpus;302	/* Must be indexable for every cpu in cpumap_bitmap. */303	GUEST_HANDLE(uint64_t) idletime;304	/* OUT variables */305	/* System time when the idletime snapshots were taken. */306	uint64_t now;307};308DEFINE_GUEST_HANDLE_STRUCT(xenpf_getidletime_t);309 310#define XENPF_set_processor_pminfo      54311 312/* ability bits */313#define XEN_PROCESSOR_PM_CX	1314#define XEN_PROCESSOR_PM_PX	2315#define XEN_PROCESSOR_PM_TX	4316 317/* cmd type */318#define XEN_PM_CX   0319#define XEN_PM_PX   1320#define XEN_PM_TX   2321#define XEN_PM_PDC  3322/* Px sub info type */323#define XEN_PX_PCT   1324#define XEN_PX_PSS   2325#define XEN_PX_PPC   4326#define XEN_PX_PSD   8327 328struct xen_power_register {329	uint32_t     space_id;330	uint32_t     bit_width;331	uint32_t     bit_offset;332	uint32_t     access_size;333	uint64_t     address;334};335 336struct xen_processor_csd {337	uint32_t    domain;      /* domain number of one dependent group */338	uint32_t    coord_type;  /* coordination type */339	uint32_t    num;         /* number of processors in same domain */340};341DEFINE_GUEST_HANDLE_STRUCT(xen_processor_csd);342 343struct xen_processor_cx {344	struct xen_power_register  reg; /* GAS for Cx trigger register */345	uint8_t     type;     /* cstate value, c0: 0, c1: 1, ... */346	uint32_t    latency;  /* worst latency (ms) to enter/exit this cstate */347	uint32_t    power;    /* average power consumption(mW) */348	uint32_t    dpcnt;    /* number of dependency entries */349	GUEST_HANDLE(xen_processor_csd) dp; /* NULL if no dependency */350};351DEFINE_GUEST_HANDLE_STRUCT(xen_processor_cx);352 353struct xen_processor_flags {354	uint32_t bm_control:1;355	uint32_t bm_check:1;356	uint32_t has_cst:1;357	uint32_t power_setup_done:1;358	uint32_t bm_rld_set:1;359};360 361struct xen_processor_power {362	uint32_t count;  /* number of C state entries in array below */363	struct xen_processor_flags flags;  /* global flags of this processor */364	GUEST_HANDLE(xen_processor_cx) states; /* supported c states */365};366 367struct xen_pct_register {368	uint8_t  descriptor;369	uint16_t length;370	uint8_t  space_id;371	uint8_t  bit_width;372	uint8_t  bit_offset;373	uint8_t  reserved;374	uint64_t address;375};376 377struct xen_processor_px {378	uint64_t core_frequency; /* megahertz */379	uint64_t power;      /* milliWatts */380	uint64_t transition_latency; /* microseconds */381	uint64_t bus_master_latency; /* microseconds */382	uint64_t control;        /* control value */383	uint64_t status;     /* success indicator */384};385DEFINE_GUEST_HANDLE_STRUCT(xen_processor_px);386 387struct xen_psd_package {388	uint64_t num_entries;389	uint64_t revision;390	uint64_t domain;391	uint64_t coord_type;392	uint64_t num_processors;393};394 395struct xen_processor_performance {396	uint32_t flags;     /* flag for Px sub info type */397	uint32_t platform_limit;  /* Platform limitation on freq usage */398	struct xen_pct_register control_register;399	struct xen_pct_register status_register;400	uint32_t state_count;     /* total available performance states */401	GUEST_HANDLE(xen_processor_px) states;402	struct xen_psd_package domain_info;403	uint32_t shared_type;     /* coordination type of this processor */404};405DEFINE_GUEST_HANDLE_STRUCT(xen_processor_performance);406 407struct xenpf_set_processor_pminfo {408	/* IN variables */409	uint32_t id;    /* ACPI CPU ID */410	uint32_t type;  /* {XEN_PM_CX, XEN_PM_PX} */411	union {412		struct xen_processor_power          power;/* Cx: _CST/_CSD */413		struct xen_processor_performance    perf; /* Px: _PPC/_PCT/_PSS/_PSD */414		GUEST_HANDLE(uint32_t)              pdc;415	};416};417DEFINE_GUEST_HANDLE_STRUCT(xenpf_set_processor_pminfo);418 419#define XENPF_get_cpuinfo 55420struct xenpf_pcpuinfo {421	/* IN */422	uint32_t xen_cpuid;423	/* OUT */424	/* The maxium cpu_id that is present */425	uint32_t max_present;426#define XEN_PCPU_FLAGS_ONLINE   1427	/* Correponding xen_cpuid is not present*/428#define XEN_PCPU_FLAGS_INVALID  2429	uint32_t flags;430	uint32_t apic_id;431	uint32_t acpi_id;432};433DEFINE_GUEST_HANDLE_STRUCT(xenpf_pcpuinfo);434 435#define XENPF_cpu_online	56436#define XENPF_cpu_offline	57437struct xenpf_cpu_ol {438	uint32_t cpuid;439};440DEFINE_GUEST_HANDLE_STRUCT(xenpf_cpu_ol);441 442#define XENPF_cpu_hotadd	58443struct xenpf_cpu_hotadd {444	uint32_t apic_id;445	uint32_t acpi_id;446	uint32_t pxm;447};448 449#define XENPF_mem_hotadd	59450struct xenpf_mem_hotadd {451	uint64_t spfn;452	uint64_t epfn;453	uint32_t pxm;454	uint32_t flags;455};456 457#define XENPF_core_parking     60458struct xenpf_core_parking {459	/* IN variables */460#define XEN_CORE_PARKING_SET   1461#define XEN_CORE_PARKING_GET   2462	uint32_t type;463	/* IN variables:  set cpu nums expected to be idled */464	/* OUT variables: get cpu nums actually be idled */465	uint32_t idle_nums;466};467DEFINE_GUEST_HANDLE_STRUCT(xenpf_core_parking);468 469#define XENPF_get_symbol      63470struct xenpf_symdata {471	/* IN/OUT variables */472	uint32_t	namelen; /* size of 'name' buffer */473 474	/* IN/OUT variables */475	uint32_t	symnum; /* IN:  Symbol to read                       */476				/* OUT: Next available symbol. If same as IN */477				/* then  we reached the end                  */478 479	/* OUT variables */480	GUEST_HANDLE(char) name;481	uint64_t	address;482	char            type;483};484DEFINE_GUEST_HANDLE_STRUCT(xenpf_symdata);485 486#define XENPF_get_dom0_console 64487 488struct xen_platform_op {489	uint32_t cmd;490	uint32_t interface_version; /* XENPF_INTERFACE_VERSION */491	union {492		struct xenpf_settime32         settime32;493		struct xenpf_settime64         settime64;494		struct xenpf_add_memtype       add_memtype;495		struct xenpf_del_memtype       del_memtype;496		struct xenpf_read_memtype      read_memtype;497		struct xenpf_microcode_update  microcode;498		struct xenpf_platform_quirk    platform_quirk;499		struct xenpf_efi_runtime_call  efi_runtime_call;500		struct xenpf_firmware_info     firmware_info;501		struct xenpf_enter_acpi_sleep  enter_acpi_sleep;502		struct xenpf_change_freq       change_freq;503		struct xenpf_getidletime       getidletime;504		struct xenpf_set_processor_pminfo set_pminfo;505		struct xenpf_pcpuinfo          pcpu_info;506		struct xenpf_cpu_ol            cpu_ol;507		struct xenpf_cpu_hotadd        cpu_add;508		struct xenpf_mem_hotadd        mem_add;509		struct xenpf_core_parking      core_parking;510		struct xenpf_symdata           symdata;511		struct dom0_vga_console_info   dom0_console;512		uint8_t                        pad[128];513	} u;514};515DEFINE_GUEST_HANDLE_STRUCT(xen_platform_op_t);516 517#endif /* __XEN_PUBLIC_PLATFORM_H__ */518