sys/arch/xen/include/xen3-public/hvm/hvm_op.h

   1 /* $NetBSD: hvm_op.h,v 1.3 2008/05/04 19:56:29 cegger Exp $ */
   2 /*
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy
   4  * of this software and associated documentation files (the "Software"), to
   5  * deal in the Software without restriction, including without limitation the
   6  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   7  * sell copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  18  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  19  * DEALINGS IN THE SOFTWARE.
  20  */
  21
  22 #ifndef __XEN_PUBLIC_HVM_HVM_OP_H__
  23 #define __XEN_PUBLIC_HVM_HVM_OP_H__
  24
  25 /* Get/set subcommands: extra argument == pointer to xen_hvm_param struct. */
  26 #define HVMOP_set_param           0
  27 #define HVMOP_get_param           1
  28 struct xen_hvm_param {
  29     domid_t  domid;    /* IN */
  30     uint32_t index;    /* IN */
  31     uint64_t value;    /* IN/OUT */
  32 };
  33 typedef struct xen_hvm_param xen_hvm_param_t;
  34 DEFINE_XEN_GUEST_HANDLE(xen_hvm_param_t);
  35
  36 /* Set the logical level of one of a domain's PCI INTx wires. */
  37 #define HVMOP_set_pci_intx_level  2
  38 struct xen_hvm_set_pci_intx_level {
  39     /* Domain to be updated. */
  40     domid_t  domid;
  41     /* PCI INTx identification in PCI topology (domain:bus:device:intx). */
  42     uint8_t  domain, bus, device, intx;
  43     /* Assertion level (0 = unasserted, 1 = asserted). */
  44     uint8_t  level;
  45 };
  46 typedef struct xen_hvm_set_pci_intx_level xen_hvm_set_pci_intx_level_t;
  47 DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_pci_intx_level_t);
  48
  49 /* Set the logical level of one of a domain's ISA IRQ wires. */
  50 #define HVMOP_set_isa_irq_level   3
  51 struct xen_hvm_set_isa_irq_level {
  52     /* Domain to be updated. */
  53     domid_t  domid;
  54     /* ISA device identification, by ISA IRQ (0-15). */
  55     uint8_t  isa_irq;
  56     /* Assertion level (0 = unasserted, 1 = asserted). */
  57     uint8_t  level;
  58 };
  59 typedef struct xen_hvm_set_isa_irq_level xen_hvm_set_isa_irq_level_t;
  60 DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_isa_irq_level_t);
  61
  62 #define HVMOP_set_pci_link_route  4
  63 struct xen_hvm_set_pci_link_route {
  64     /* Domain to be updated. */
  65     domid_t  domid;
  66     /* PCI link identifier (0-3). */
  67     uint8_t  link;
  68     /* ISA IRQ (1-15), or 0 (disable link). */
  69     uint8_t  isa_irq;
  70 };
  71 typedef struct xen_hvm_set_pci_link_route xen_hvm_set_pci_link_route_t;
  72 DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_pci_link_route_t);
  73
  74 /* Flushes all VCPU TLBs: @arg must be NULL. */
  75 #define HVMOP_flush_tlbs          5
  76
  77 /* Following tools-only interfaces may change in future. */
  78 #if defined(__XEN__) || defined(__XEN_TOOLS__)
  79
  80 /* Track dirty VRAM. */
  81 #define HVMOP_track_dirty_vram    6
  82 struct xen_hvm_track_dirty_vram {
  83     /* Domain to be tracked. */
  84     domid_t  domid;
  85     /* First pfn to track. */
  86     uint64_aligned_t first_pfn;
  87     /* Number of pages to track. */
  88     uint64_aligned_t nr;
  89     /* OUT variable. */
  90     /* Dirty bitmap buffer. */
  91     XEN_GUEST_HANDLE_64(uint8) dirty_bitmap;
  92 };
  93 typedef struct xen_hvm_track_dirty_vram xen_hvm_track_dirty_vram_t;
  94 DEFINE_XEN_GUEST_HANDLE(xen_hvm_track_dirty_vram_t);
  95
  96 /* Notify that some pages got modified by the Device Model. */
  97 #define HVMOP_modified_memory    7
  98 struct xen_hvm_modified_memory {
  99     /* Domain to be updated. */
 100     domid_t  domid;
 101     /* First pfn. */
 102     uint64_aligned_t first_pfn;
 103     /* Number of pages. */
 104     uint64_aligned_t nr;
 105 };
 106 typedef struct xen_hvm_modified_memory xen_hvm_modified_memory_t;
 107 DEFINE_XEN_GUEST_HANDLE(xen_hvm_modified_memory_t);
 108
 109 #define HVMOP_set_mem_type    8
 110 typedef enum {
 111     HVMMEM_ram_rw,             /* Normal read/write guest RAM */
 112     HVMMEM_ram_ro,             /* Read-only; writes are discarded */
 113     HVMMEM_mmio_dm,            /* Reads and write go to the device model */
 114 } hvmmem_type_t;
 115 /* Notify that a region of memory is to be treated in a specific way. */
 116 struct xen_hvm_set_mem_type {
 117     /* Domain to be updated. */
 118     domid_t domid;
 119     /* Memory type */
 120     hvmmem_type_t hvmmem_type;
 121     /* First pfn. */
 122     uint64_aligned_t first_pfn;
 123     /* Number of pages. */
 124     uint64_aligned_t nr;
 125 };
 126 typedef struct xen_hvm_set_mem_type xen_hvm_set_mem_type_t;
 127 DEFINE_XEN_GUEST_HANDLE(xen_hvm_set_mem_type_t);
 128
 129
 130 #endif /* defined(__XEN__) || defined(__XEN_TOOLS__) */
 131
 132 #endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */