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183 lines
6.6 KiB
C
183 lines
6.6 KiB
C
/******************************************************************************
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* platform.h
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*
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* Hardware platform operations. Intended for use by domain-0 kernel.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright (c) 2002-2006, K Fraser
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*/
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#ifndef __XEN_PUBLIC_PLATFORM_H__
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#define __XEN_PUBLIC_PLATFORM_H__
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#include "xen.h"
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#define XENPF_INTERFACE_VERSION 0x03000001
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/*
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* Set clock such that it would read <secs,nsecs> after 00:00:00 UTC,
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* 1 January, 1970 if the current system time was <system_time>.
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*/
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#define XENPF_settime 17
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struct xenpf_settime {
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/* IN variables. */
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uint32_t secs;
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uint32_t nsecs;
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uint64_t system_time;
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};
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typedef struct xenpf_settime xenpf_settime_t;
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DEFINE_XEN_GUEST_HANDLE(xenpf_settime_t);
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/*
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* Request memory range (@mfn, @mfn+@nr_mfns-1) to have type @type.
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* On x86, @type is an architecture-defined MTRR memory type.
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* On success, returns the MTRR that was used (@reg) and a handle that can
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* be passed to XENPF_DEL_MEMTYPE to accurately tear down the new setting.
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* (x86-specific).
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*/
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#define XENPF_add_memtype 31
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struct xenpf_add_memtype {
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/* IN variables. */
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xen_pfn_t mfn;
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uint64_t nr_mfns;
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uint32_t type;
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/* OUT variables. */
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uint32_t handle;
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uint32_t reg;
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};
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typedef struct xenpf_add_memtype xenpf_add_memtype_t;
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DEFINE_XEN_GUEST_HANDLE(xenpf_add_memtype_t);
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/*
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* Tear down an existing memory-range type. If @handle is remembered then it
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* should be passed in to accurately tear down the correct setting (in case
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* of overlapping memory regions with differing types). If it is not known
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* then @handle should be set to zero. In all cases @reg must be set.
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* (x86-specific).
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*/
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#define XENPF_del_memtype 32
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struct xenpf_del_memtype {
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/* IN variables. */
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uint32_t handle;
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uint32_t reg;
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};
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typedef struct xenpf_del_memtype xenpf_del_memtype_t;
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DEFINE_XEN_GUEST_HANDLE(xenpf_del_memtype_t);
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/* Read current type of an MTRR (x86-specific). */
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#define XENPF_read_memtype 33
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struct xenpf_read_memtype {
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/* IN variables. */
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uint32_t reg;
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/* OUT variables. */
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xen_pfn_t mfn;
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uint64_t nr_mfns;
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uint32_t type;
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};
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typedef struct xenpf_read_memtype xenpf_read_memtype_t;
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DEFINE_XEN_GUEST_HANDLE(xenpf_read_memtype_t);
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#define XENPF_microcode_update 35
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struct xenpf_microcode_update {
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/* IN variables. */
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void * data; /* Pointer to microcode data */
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uint32_t length; /* Length of microcode data. */
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};
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typedef struct xenpf_microcode_update xenpf_microcode_update_t;
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DEFINE_XEN_GUEST_HANDLE(xenpf_microcode_update_t);
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#define XENPF_platform_quirk 39
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#define QUIRK_NOIRQBALANCING 1 /* Do not restrict IO-APIC RTE targets */
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#define QUIRK_IOAPIC_BAD_REGSEL 2 /* IO-APIC REGSEL forgets its value */
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#define QUIRK_IOAPIC_GOOD_REGSEL 3 /* IO-APIC REGSEL behaves properly */
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struct xenpf_platform_quirk {
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/* IN variables. */
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uint32_t quirk_id;
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};
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typedef struct xenpf_platform_quirk xenpf_platform_quirk_t;
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DEFINE_XEN_GUEST_HANDLE(xenpf_platform_quirk_t);
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#define XENPF_firmware_info 50
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#define XEN_FW_DISK_INFO 1 /* from int 13 AH=08/41/48 */
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#define XEN_FW_DISK_MBR_SIGNATURE 2 /* from MBR offset 0x1b8 */
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#define XEN_FW_VBEDDC_INFO 3 /* from int 10 AX=4f15 */
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struct xenpf_firmware_info {
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/* IN variables. */
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uint32_t type;
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uint32_t index;
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/* OUT variables. */
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union {
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struct {
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/* Int13, Fn48: Check Extensions Present. */
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uint8_t device; /* %dl: bios device number */
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uint8_t version; /* %ah: major version */
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uint16_t interface_support; /* %cx: support bitmap */
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/* Int13, Fn08: Legacy Get Device Parameters. */
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uint16_t legacy_max_cylinder; /* %cl[7:6]:%ch: max cyl # */
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uint8_t legacy_max_head; /* %dh: max head # */
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uint8_t legacy_sectors_per_track; /* %cl[5:0]: max sector # */
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/* Int13, Fn41: Get Device Parameters (as filled into %ds:%esi). */
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/* NB. First uint16_t of buffer must be set to buffer size. */
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void * edd_params;
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} disk_info; /* XEN_FW_DISK_INFO */
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struct {
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uint8_t device; /* bios device number */
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uint32_t mbr_signature; /* offset 0x1b8 in mbr */
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} disk_mbr_signature; /* XEN_FW_DISK_MBR_SIGNATURE */
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struct {
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/* Int10, AX=4F15: Get EDID info. */
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uint8_t capabilities;
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uint8_t edid_transfer_time;
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/* must refer to 128-byte buffer */
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XEN_GUEST_HANDLE(uint8_t) edid;
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} vbeddc_info; /* XEN_FW_VBEDDC_INFO */
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} u;
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};
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typedef struct xenpf_firmware_info xenpf_firmware_info_t;
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DEFINE_XEN_GUEST_HANDLE(xenpf_firmware_info_t);
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struct xen_platform_op {
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uint32_t cmd;
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uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
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union {
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struct xenpf_settime settime;
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struct xenpf_add_memtype add_memtype;
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struct xenpf_del_memtype del_memtype;
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struct xenpf_read_memtype read_memtype;
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struct xenpf_microcode_update microcode;
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struct xenpf_platform_quirk platform_quirk;
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struct xenpf_firmware_info firmware_info;
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uint8_t pad[128];
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} u;
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};
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typedef struct xen_platform_op xen_platform_op_t;
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DEFINE_XEN_GUEST_HANDLE(xen_platform_op_t);
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#endif /* __XEN_PUBLIC_PLATFORM_H__ */
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/*
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* Local variables:
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* mode: C
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* c-set-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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