| /****************************************************************************** |
| * 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 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. */ |
| 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 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. */ |
| unsigned long 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 */ |
| 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 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); |
| |
| 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; |
| uint8_t pad[128]; |
| } u; |
| }; |
| DEFINE_GUEST_HANDLE_STRUCT(xen_platform_op_t); |
| |
| #endif /* __XEN_PUBLIC_PLATFORM_H__ */ |