/****************************************************************************** * 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.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             17struct 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         31struct xenpf_add_memtype {	/* IN variables. */	unsigned long 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         32struct 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        33struct xenpf_read_memtype {	/* IN variables. */	uint32_t reg;	/* OUT variables. */	unsigned long mfn;	uint64_t nr_mfns;	uint32_t type;};DEFINE_GUEST_HANDLE_STRUCT(xenpf_read_memtype_t); #define XENPF_microcode_update    35struct 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 */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 */	} u;};DEFINE_GUEST_HANDLE_STRUCT(xenpf_firmware_info_t); #define XENPF_enter_acpi_sleep    51struct 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         52struct 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         53struct 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 55struct 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); 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;		uint8_t                        pad[128];	} u;};DEFINE_GUEST_HANDLE_STRUCT(xen_platform_op_t); #endif /* __XEN_PUBLIC_PLATFORM_H__ */