297 lines
10 KiB
C
297 lines
10 KiB
C
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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) 2007, Keir Fraser
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*/
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#ifndef __XEN_PUBLIC_HVM_HVM_OP_H__
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#define __XEN_PUBLIC_HVM_HVM_OP_H__
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#include "../xen.h"
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#include "../trace.h"
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#include "../event_channel.h"
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/* Get/set subcommands: extra argument == pointer to xen_hvm_param struct. */
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#define HVMOP_set_param 0
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#define HVMOP_get_param 1
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struct xen_hvm_param {
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domid_t domid; /* IN */
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uint32_t index; /* IN */
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uint64_t value; /* IN/OUT */
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};
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typedef struct xen_hvm_param xen_hvm_param_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_param_t);
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#if __XEN_INTERFACE_VERSION__ < 0x00040900
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/* Set the logical level of one of a domain's PCI INTx wires. */
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#define HVMOP_set_pci_intx_level 2
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struct xen_hvm_set_pci_intx_level {
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/* Domain to be updated. */
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domid_t domid;
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/* PCI INTx identification in PCI topology (domain:bus:device:intx). */
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uint8_t domain, bus, device, intx;
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/* Assertion level (0 = unasserted, 1 = asserted). */
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uint8_t level;
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};
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typedef struct xen_hvm_set_pci_intx_level xen_hvm_set_pci_intx_level_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_pci_intx_level_t);
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/* Set the logical level of one of a domain's ISA IRQ wires. */
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#define HVMOP_set_isa_irq_level 3
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struct xen_hvm_set_isa_irq_level {
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/* Domain to be updated. */
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domid_t domid;
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/* ISA device identification, by ISA IRQ (0-15). */
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uint8_t isa_irq;
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/* Assertion level (0 = unasserted, 1 = asserted). */
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uint8_t level;
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};
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typedef struct xen_hvm_set_isa_irq_level xen_hvm_set_isa_irq_level_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_isa_irq_level_t);
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#define HVMOP_set_pci_link_route 4
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struct xen_hvm_set_pci_link_route {
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/* Domain to be updated. */
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domid_t domid;
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/* PCI link identifier (0-3). */
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uint8_t link;
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/* ISA IRQ (1-15), or 0 (disable link). */
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uint8_t isa_irq;
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};
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typedef struct xen_hvm_set_pci_link_route xen_hvm_set_pci_link_route_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_pci_link_route_t);
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#endif /* __XEN_INTERFACE_VERSION__ < 0x00040900 */
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/* Flushes all VCPU TLBs: @arg must be NULL. */
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#define HVMOP_flush_tlbs 5
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typedef enum {
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HVMMEM_ram_rw, /* Normal read/write guest RAM */
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HVMMEM_ram_ro, /* Read-only; writes are discarded */
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HVMMEM_mmio_dm, /* Reads and write go to the device model */
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#if __XEN_INTERFACE_VERSION__ < 0x00040700
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HVMMEM_mmio_write_dm, /* Read-only; writes go to the device model */
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#else
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HVMMEM_unused, /* Placeholder; setting memory to this type
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will fail for code after 4.7.0 */
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#endif
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HVMMEM_ioreq_server /* Memory type claimed by an ioreq server; type
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changes to this value are only allowed after
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an ioreq server has claimed its ownership.
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Only pages with HVMMEM_ram_rw are allowed to
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change to this type; conversely, pages with
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this type are only allowed to be changed back
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to HVMMEM_ram_rw. */
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} hvmmem_type_t;
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/* Hint from PV drivers for pagetable destruction. */
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#define HVMOP_pagetable_dying 9
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struct xen_hvm_pagetable_dying {
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/* Domain with a pagetable about to be destroyed. */
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domid_t domid;
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uint16_t pad[3]; /* align next field on 8-byte boundary */
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/* guest physical address of the toplevel pagetable dying */
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uint64_t gpa;
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};
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typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_pagetable_dying_t);
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/* Get the current Xen time, in nanoseconds since system boot. */
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#define HVMOP_get_time 10
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struct xen_hvm_get_time {
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uint64_t now; /* OUT */
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};
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typedef struct xen_hvm_get_time xen_hvm_get_time_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_get_time_t);
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#define HVMOP_xentrace 11
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struct xen_hvm_xentrace {
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uint16_t event, extra_bytes;
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uint8_t extra[TRACE_EXTRA_MAX * sizeof(uint32_t)];
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};
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typedef struct xen_hvm_xentrace xen_hvm_xentrace_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_xentrace_t);
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/* Following tools-only interfaces may change in future. */
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#if defined(__XEN__) || defined(__XEN_TOOLS__)
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/* Deprecated by XENMEM_access_op_set_access */
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#define HVMOP_set_mem_access 12
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/* Deprecated by XENMEM_access_op_get_access */
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#define HVMOP_get_mem_access 13
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#endif /* defined(__XEN__) || defined(__XEN_TOOLS__) */
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#define HVMOP_get_mem_type 15
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/* Return hvmmem_type_t for the specified pfn. */
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struct xen_hvm_get_mem_type {
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/* Domain to be queried. */
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domid_t domid;
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/* OUT variable. */
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uint16_t mem_type;
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uint16_t pad[2]; /* align next field on 8-byte boundary */
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/* IN variable. */
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uint64_t pfn;
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};
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typedef struct xen_hvm_get_mem_type xen_hvm_get_mem_type_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_get_mem_type_t);
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/* Following tools-only interfaces may change in future. */
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#if defined(__XEN__) || defined(__XEN_TOOLS__)
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/*
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* Definitions relating to DMOP_create_ioreq_server. (Defined here for
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* backwards compatibility).
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*/
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#define HVM_IOREQSRV_BUFIOREQ_OFF 0
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#define HVM_IOREQSRV_BUFIOREQ_LEGACY 1
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/*
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* Use this when read_pointer gets updated atomically and
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* the pointer pair gets read atomically:
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*/
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#define HVM_IOREQSRV_BUFIOREQ_ATOMIC 2
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#endif /* defined(__XEN__) || defined(__XEN_TOOLS__) */
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#if defined(__i386__) || defined(__x86_64__)
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/*
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* HVMOP_set_evtchn_upcall_vector: Set a <vector> that should be used for event
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* channel upcalls on the specified <vcpu>. If set,
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* this vector will be used in preference to the
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* domain global callback via (see
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* HVM_PARAM_CALLBACK_IRQ).
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*/
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#define HVMOP_set_evtchn_upcall_vector 23
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struct xen_hvm_evtchn_upcall_vector {
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uint32_t vcpu;
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uint8_t vector;
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};
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typedef struct xen_hvm_evtchn_upcall_vector xen_hvm_evtchn_upcall_vector_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_evtchn_upcall_vector_t);
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#endif /* defined(__i386__) || defined(__x86_64__) */
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#define HVMOP_guest_request_vm_event 24
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/* HVMOP_altp2m: perform altp2m state operations */
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#define HVMOP_altp2m 25
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#define HVMOP_ALTP2M_INTERFACE_VERSION 0x00000001
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struct xen_hvm_altp2m_domain_state {
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/* IN or OUT variable on/off */
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uint8_t state;
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};
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typedef struct xen_hvm_altp2m_domain_state xen_hvm_altp2m_domain_state_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_domain_state_t);
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struct xen_hvm_altp2m_vcpu_enable_notify {
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uint32_t vcpu_id;
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uint32_t pad;
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/* #VE info area gfn */
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uint64_t gfn;
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};
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typedef struct xen_hvm_altp2m_vcpu_enable_notify xen_hvm_altp2m_vcpu_enable_notify_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_vcpu_enable_notify_t);
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struct xen_hvm_altp2m_view {
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/* IN/OUT variable */
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uint16_t view;
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/* Create view only: default access type
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* NOTE: currently ignored */
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uint16_t hvmmem_default_access; /* xenmem_access_t */
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};
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typedef struct xen_hvm_altp2m_view xen_hvm_altp2m_view_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_view_t);
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struct xen_hvm_altp2m_set_mem_access {
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/* view */
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uint16_t view;
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/* Memory type */
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uint16_t hvmmem_access; /* xenmem_access_t */
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uint32_t pad;
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/* gfn */
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uint64_t gfn;
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};
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typedef struct xen_hvm_altp2m_set_mem_access xen_hvm_altp2m_set_mem_access_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_set_mem_access_t);
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struct xen_hvm_altp2m_change_gfn {
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/* view */
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uint16_t view;
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uint16_t pad1;
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uint32_t pad2;
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/* old gfn */
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uint64_t old_gfn;
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/* new gfn, INVALID_GFN (~0UL) means revert */
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uint64_t new_gfn;
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};
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typedef struct xen_hvm_altp2m_change_gfn xen_hvm_altp2m_change_gfn_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_change_gfn_t);
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struct xen_hvm_altp2m_op {
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uint32_t version; /* HVMOP_ALTP2M_INTERFACE_VERSION */
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uint32_t cmd;
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/* Get/set the altp2m state for a domain */
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#define HVMOP_altp2m_get_domain_state 1
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#define HVMOP_altp2m_set_domain_state 2
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/* Set the current VCPU to receive altp2m event notifications */
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#define HVMOP_altp2m_vcpu_enable_notify 3
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/* Create a new view */
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#define HVMOP_altp2m_create_p2m 4
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/* Destroy a view */
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#define HVMOP_altp2m_destroy_p2m 5
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/* Switch view for an entire domain */
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#define HVMOP_altp2m_switch_p2m 6
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/* Notify that a page of memory is to have specific access types */
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#define HVMOP_altp2m_set_mem_access 7
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/* Change a p2m entry to have a different gfn->mfn mapping */
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#define HVMOP_altp2m_change_gfn 8
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domid_t domain;
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uint16_t pad1;
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uint32_t pad2;
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union {
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struct xen_hvm_altp2m_domain_state domain_state;
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struct xen_hvm_altp2m_vcpu_enable_notify enable_notify;
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struct xen_hvm_altp2m_view view;
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struct xen_hvm_altp2m_set_mem_access set_mem_access;
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struct xen_hvm_altp2m_change_gfn change_gfn;
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uint8_t pad[64];
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} u;
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};
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typedef struct xen_hvm_altp2m_op xen_hvm_altp2m_op_t;
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DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_op_t);
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#endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */
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/*
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* Local variables:
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* mode: C
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* c-file-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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