The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/xen/hvm.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*
    2  * Permission is hereby granted, free of charge, to any person obtaining a copy
    3  * of this software and associated documentation files (the "Software"), to
    4  * deal in the Software without restriction, including without limitation the
    5  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
    6  * sell copies of the Software, and to permit persons to whom the Software is
    7  * furnished to do so, subject to the following conditions:
    8  *
    9  * The above copyright notice and this permission notice shall be included in
   10  * all copies or substantial portions of the Software.
   11  *
   12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   13  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   14  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   15  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   16  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   17  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   18  * DEALINGS IN THE SOFTWARE.
   19  *
   20  * $FreeBSD: releng/12.0/sys/xen/hvm.h 336474 2018-07-19 08:44:52Z royger $
   21  */
   22 
   23 #ifndef __XEN_HVM_H__
   24 #define __XEN_HVM_H__
   25 
   26 #include <xen/xen-os.h>
   27 #include <xen/hypervisor.h>
   28 
   29 #include <xen/interface/hvm/params.h>
   30 
   31 /**
   32  * \brief Wrapper function to obtain a HVM parameter value.
   33  *
   34  * \param index HVM parameter index; see <xen/interface/hvm/params.h>.
   35  * 
   36  * \returns     0 on failure; the value of the parameter otherwise.
   37  */
   38 static inline unsigned long
   39 hvm_get_parameter(int index)
   40 {
   41         struct xen_hvm_param xhv;
   42         int error;
   43 
   44         xhv.domid = DOMID_SELF;
   45         xhv.index = index;
   46         error = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv);
   47         if (error) {
   48                 printf("%s: error %d trying to get %d\n", __func__,
   49                     error, index);
   50                 return (0);
   51         }
   52         return (xhv.value);
   53 }
   54 
   55 /** The callback method types for Hypervisor event delivery to our domain. */
   56 enum {
   57         HVM_CB_TYPE_GSI,
   58         HVM_CB_TYPE_PCI_INTX,
   59         HVM_CB_TYPE_VECTOR,
   60         HVM_CB_TYPE_MASK  = 0xFF,
   61         HVM_CB_TYPE_SHIFT = 56
   62 };
   63 
   64 /** Format for specifying a GSI type callback. */
   65 enum {
   66         HVM_CB_GSI_GSI_MASK  = 0xFFFFFFFF,
   67         HVM_CB_GSI_GSI_SHIFT = 0
   68 };
   69 #define HVM_CALLBACK_GSI(gsi) \
   70     (((uint64_t)HVM_CB_TYPE_GSI << HVM_CB_TYPE_SHIFT) \
   71    | ((gsi) & HVM_CB_GSI_GSI_MASK) << HVM_CB_GSI_GSI_SHIFT)
   72 
   73 /** Format for specifying a virtual PCI interrupt line GSI style callback. */
   74 enum {
   75         HVM_CB_PCI_INTX_INTPIN_MASK  = 0x3,
   76         HVM_CB_PCI_INTX_INTPIN_SHIFT = 0,
   77         HVM_CB_PCI_INTX_SLOT_MASK    = 0x1F,
   78         HVM_CB_PCI_INTX_SLOT_SHIFT   = 11,
   79 };
   80 #define HVM_CALLBACK_PCI_INTX(slot, pin) \
   81     (((uint64_t)HVM_CB_TYPE_PCI_INTX << HVM_CB_TYPE_SHIFT) \
   82    | (((slot) & HVM_CB_PCI_INTX_SLOT_MASK) << HVM_CB_PCI_INTX_SLOT_SHIFT) \
   83    | (((pin) & HVM_CB_PCI_INTX_INTPIN_MASK) << HVM_CB_PCI_INTX_INTPIN_SHIFT))
   84 
   85 /** Format for specifying a direct IDT vector injection style callback. */
   86 enum {
   87         HVM_CB_VECTOR_VECTOR_MASK  = 0xFFFFFFFF,
   88         HVM_CB_VECTOR_VECTOR_SHIFT = 0
   89 };
   90 #define HVM_CALLBACK_VECTOR(vector) \
   91     (((uint64_t)HVM_CB_TYPE_VECTOR << HVM_CB_TYPE_SHIFT) \
   92    | (((vector) & HVM_CB_GSI_GSI_MASK) << HVM_CB_GSI_GSI_SHIFT))
   93 
   94 enum xen_hvm_init_type {
   95         XEN_HVM_INIT_EARLY,
   96         XEN_HVM_INIT_LATE,
   97         XEN_HVM_INIT_CANCELLED_SUSPEND,
   98         XEN_HVM_INIT_RESUME,
   99 };
  100 
  101 int xen_hvm_init_hypercall_stubs(enum xen_hvm_init_type);
  102 void xen_hvm_set_callback(device_t);
  103 void xen_hvm_suspend(void);
  104 void xen_hvm_resume(bool suspend_cancelled);
  105 
  106 extern uint32_t hvm_start_flags;
  107 
  108 #endif  /* __XEN_HVM_H__ */

Cache object: eee7057bafa7b8622657292a4e186ea4


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.