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Diffstat (limited to 'include/xen/hvm/hvm_op.h')
| -rw-r--r-- | include/xen/hvm/hvm_op.h | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/include/xen/hvm/hvm_op.h b/include/xen/hvm/hvm_op.h new file mode 100644 index 0000000..0bdafdf --- /dev/null +++ b/include/xen/hvm/hvm_op.h @@ -0,0 +1,296 @@ +/* + * 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) 2007, Keir Fraser + */ + +#ifndef __XEN_PUBLIC_HVM_HVM_OP_H__ +#define __XEN_PUBLIC_HVM_HVM_OP_H__ + +#include "../xen.h" +#include "../trace.h" +#include "../event_channel.h" + +/* Get/set subcommands: extra argument == pointer to xen_hvm_param struct. */ +#define HVMOP_set_param 0 +#define HVMOP_get_param 1 +struct xen_hvm_param { + domid_t domid; /* IN */ + uint32_t index; /* IN */ + uint64_t value; /* IN/OUT */ +}; +typedef struct xen_hvm_param xen_hvm_param_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_param_t); + +#if __XEN_INTERFACE_VERSION__ < 0x00040900 + +/* Set the logical level of one of a domain's PCI INTx wires. */ +#define HVMOP_set_pci_intx_level 2 +struct xen_hvm_set_pci_intx_level { + /* Domain to be updated. */ + domid_t domid; + /* PCI INTx identification in PCI topology (domain:bus:device:intx). */ + uint8_t domain, bus, device, intx; + /* Assertion level (0 = unasserted, 1 = asserted). */ + uint8_t level; +}; +typedef struct xen_hvm_set_pci_intx_level xen_hvm_set_pci_intx_level_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_pci_intx_level_t); + +/* Set the logical level of one of a domain's ISA IRQ wires. */ +#define HVMOP_set_isa_irq_level 3 +struct xen_hvm_set_isa_irq_level { + /* Domain to be updated. */ + domid_t domid; + /* ISA device identification, by ISA IRQ (0-15). */ + uint8_t isa_irq; + /* Assertion level (0 = unasserted, 1 = asserted). */ + uint8_t level; +}; +typedef struct xen_hvm_set_isa_irq_level xen_hvm_set_isa_irq_level_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_isa_irq_level_t); + +#define HVMOP_set_pci_link_route 4 +struct xen_hvm_set_pci_link_route { + /* Domain to be updated. */ + domid_t domid; + /* PCI link identifier (0-3). */ + uint8_t link; + /* ISA IRQ (1-15), or 0 (disable link). */ + uint8_t isa_irq; +}; +typedef struct xen_hvm_set_pci_link_route xen_hvm_set_pci_link_route_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_pci_link_route_t); + +#endif /* __XEN_INTERFACE_VERSION__ < 0x00040900 */ + +/* Flushes all VCPU TLBs: @arg must be NULL. */ +#define HVMOP_flush_tlbs 5 + +typedef enum { + HVMMEM_ram_rw, /* Normal read/write guest RAM */ + HVMMEM_ram_ro, /* Read-only; writes are discarded */ + HVMMEM_mmio_dm, /* Reads and write go to the device model */ +#if __XEN_INTERFACE_VERSION__ < 0x00040700 + HVMMEM_mmio_write_dm, /* Read-only; writes go to the device model */ +#else + HVMMEM_unused, /* Placeholder; setting memory to this type + will fail for code after 4.7.0 */ +#endif + HVMMEM_ioreq_server /* Memory type claimed by an ioreq server; type + changes to this value are only allowed after + an ioreq server has claimed its ownership. + Only pages with HVMMEM_ram_rw are allowed to + change to this type; conversely, pages with + this type are only allowed to be changed back + to HVMMEM_ram_rw. */ +} hvmmem_type_t; + +/* Hint from PV drivers for pagetable destruction. */ +#define HVMOP_pagetable_dying 9 +struct xen_hvm_pagetable_dying { + /* Domain with a pagetable about to be destroyed. */ + domid_t domid; + uint16_t pad[3]; /* align next field on 8-byte boundary */ + /* guest physical address of the toplevel pagetable dying */ + uint64_t gpa; +}; +typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_pagetable_dying_t); + +/* Get the current Xen time, in nanoseconds since system boot. */ +#define HVMOP_get_time 10 +struct xen_hvm_get_time { + uint64_t now; /* OUT */ +}; +typedef struct xen_hvm_get_time xen_hvm_get_time_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_get_time_t); + +#define HVMOP_xentrace 11 +struct xen_hvm_xentrace { + uint16_t event, extra_bytes; + uint8_t extra[TRACE_EXTRA_MAX * sizeof(uint32_t)]; +}; +typedef struct xen_hvm_xentrace xen_hvm_xentrace_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_xentrace_t); + +/* Following tools-only interfaces may change in future. */ +#if defined(__XEN__) || defined(__XEN_TOOLS__) + +/* Deprecated by XENMEM_access_op_set_access */ +#define HVMOP_set_mem_access 12 + +/* Deprecated by XENMEM_access_op_get_access */ +#define HVMOP_get_mem_access 13 + +#endif /* defined(__XEN__) || defined(__XEN_TOOLS__) */ + +#define HVMOP_get_mem_type 15 +/* Return hvmmem_type_t for the specified pfn. */ +struct xen_hvm_get_mem_type { + /* Domain to be queried. */ + domid_t domid; + /* OUT variable. */ + uint16_t mem_type; + uint16_t pad[2]; /* align next field on 8-byte boundary */ + /* IN variable. */ + uint64_t pfn; +}; +typedef struct xen_hvm_get_mem_type xen_hvm_get_mem_type_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_get_mem_type_t); + +/* Following tools-only interfaces may change in future. */ +#if defined(__XEN__) || defined(__XEN_TOOLS__) + +/* + * Definitions relating to DMOP_create_ioreq_server. (Defined here for + * backwards compatibility). + */ + +#define HVM_IOREQSRV_BUFIOREQ_OFF 0 +#define HVM_IOREQSRV_BUFIOREQ_LEGACY 1 +/* + * Use this when read_pointer gets updated atomically and + * the pointer pair gets read atomically: + */ +#define HVM_IOREQSRV_BUFIOREQ_ATOMIC 2 + +#endif /* defined(__XEN__) || defined(__XEN_TOOLS__) */ + +#if defined(__i386__) || defined(__x86_64__) + +/* + * HVMOP_set_evtchn_upcall_vector: Set a <vector> that should be used for event + * channel upcalls on the specified <vcpu>. If set, + * this vector will be used in preference to the + * domain global callback via (see + * HVM_PARAM_CALLBACK_IRQ). + */ +#define HVMOP_set_evtchn_upcall_vector 23 +struct xen_hvm_evtchn_upcall_vector { + uint32_t vcpu; + uint8_t vector; +}; +typedef struct xen_hvm_evtchn_upcall_vector xen_hvm_evtchn_upcall_vector_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_evtchn_upcall_vector_t); + +#endif /* defined(__i386__) || defined(__x86_64__) */ + +#define HVMOP_guest_request_vm_event 24 + +/* HVMOP_altp2m: perform altp2m state operations */ +#define HVMOP_altp2m 25 + +#define HVMOP_ALTP2M_INTERFACE_VERSION 0x00000001 + +struct xen_hvm_altp2m_domain_state { + /* IN or OUT variable on/off */ + uint8_t state; +}; +typedef struct xen_hvm_altp2m_domain_state xen_hvm_altp2m_domain_state_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_domain_state_t); + +struct xen_hvm_altp2m_vcpu_enable_notify { + uint32_t vcpu_id; + uint32_t pad; + /* #VE info area gfn */ + uint64_t gfn; +}; +typedef struct xen_hvm_altp2m_vcpu_enable_notify xen_hvm_altp2m_vcpu_enable_notify_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_vcpu_enable_notify_t); + +struct xen_hvm_altp2m_view { + /* IN/OUT variable */ + uint16_t view; + /* Create view only: default access type + * NOTE: currently ignored */ + uint16_t hvmmem_default_access; /* xenmem_access_t */ +}; +typedef struct xen_hvm_altp2m_view xen_hvm_altp2m_view_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_view_t); + +struct xen_hvm_altp2m_set_mem_access { + /* view */ + uint16_t view; + /* Memory type */ + uint16_t hvmmem_access; /* xenmem_access_t */ + uint32_t pad; + /* gfn */ + uint64_t gfn; +}; +typedef struct xen_hvm_altp2m_set_mem_access xen_hvm_altp2m_set_mem_access_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_set_mem_access_t); + +struct xen_hvm_altp2m_change_gfn { + /* view */ + uint16_t view; + uint16_t pad1; + uint32_t pad2; + /* old gfn */ + uint64_t old_gfn; + /* new gfn, INVALID_GFN (~0UL) means revert */ + uint64_t new_gfn; +}; +typedef struct xen_hvm_altp2m_change_gfn xen_hvm_altp2m_change_gfn_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_change_gfn_t); + +struct xen_hvm_altp2m_op { + uint32_t version; /* HVMOP_ALTP2M_INTERFACE_VERSION */ + uint32_t cmd; +/* Get/set the altp2m state for a domain */ +#define HVMOP_altp2m_get_domain_state 1 +#define HVMOP_altp2m_set_domain_state 2 +/* Set the current VCPU to receive altp2m event notifications */ +#define HVMOP_altp2m_vcpu_enable_notify 3 +/* Create a new view */ +#define HVMOP_altp2m_create_p2m 4 +/* Destroy a view */ +#define HVMOP_altp2m_destroy_p2m 5 +/* Switch view for an entire domain */ +#define HVMOP_altp2m_switch_p2m 6 +/* Notify that a page of memory is to have specific access types */ +#define HVMOP_altp2m_set_mem_access 7 +/* Change a p2m entry to have a different gfn->mfn mapping */ +#define HVMOP_altp2m_change_gfn 8 + domid_t domain; + uint16_t pad1; + uint32_t pad2; + union { + struct xen_hvm_altp2m_domain_state domain_state; + struct xen_hvm_altp2m_vcpu_enable_notify enable_notify; + struct xen_hvm_altp2m_view view; + struct xen_hvm_altp2m_set_mem_access set_mem_access; + struct xen_hvm_altp2m_change_gfn change_gfn; + uint8_t pad[64]; + } u; +}; +typedef struct xen_hvm_altp2m_op xen_hvm_altp2m_op_t; +DEFINE_XEN_GUEST_HANDLE(xen_hvm_altp2m_op_t); + +#endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */ + +/* + * Local variables: + * mode: C + * c-file-style: "BSD" + * c-basic-offset: 4 + * tab-width: 4 + * indent-tabs-mode: nil + * End: + */ |