xen: Add support for HVM hypercalls.

	return _hypercall2(int, nmi_op, op, arg);

	return _hypercall2(int, nmi_op, op, arg);

}

}

static inline unsigned long __must_check

HYPERVISOR_hvm_op(int op, void *arg)

{

       return _hypercall2(unsigned long, hvm_op, op, arg);

}

static inline void

static inline void

MULTI_fpu_taskswitch(struct multicall_entry *mcl, int set)

MULTI_fpu_taskswitch(struct multicall_entry *mcl, int set)

{

{

/* Simple wrappers around HVM functions */

#ifndef XEN_HVM_H__

#define XEN_HVM_H__

#include <xen/interface/hvm/params.h>

static inline int hvm_get_parameter(int idx, uint64_t *value)

{

	struct xen_hvm_param xhv;

	int r;

	xhv.domid = DOMID_SELF;

	xhv.index = idx;

	r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv);

	if (r < 0) {

		printk(KERN_ERR "Cannot get hvm parameter %d: %d!\n",

			idx, r);

		return r;

	}

	*value = xhv.value;

	return r;

}

#endif /* XEN_HVM_H__ */

/*

 * 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.

 */

#ifndef __XEN_PUBLIC_HVM_HVM_OP_H__

#define __XEN_PUBLIC_HVM_HVM_OP_H__

/* Get/set subcommands: the second argument of the hypercall is a

 * pointer to a 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 */

};

DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_param);

#endif /* __XEN_PUBLIC_HVM_HVM_OP_H__ */

/*

 * 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.

 */

#ifndef __XEN_PUBLIC_HVM_PARAMS_H__

#define __XEN_PUBLIC_HVM_PARAMS_H__

#include "hvm_op.h"

/*

 * Parameter space for HVMOP_{set,get}_param.

 */

/*

 * How should CPU0 event-channel notifications be delivered?

 * val[63:56] == 0: val[55:0] is a delivery GSI (Global System Interrupt).

 * val[63:56] == 1: val[55:0] is a delivery PCI INTx line, as follows:

 *                  Domain = val[47:32], Bus  = val[31:16],

 *                  DevFn  = val[15: 8], IntX = val[ 1: 0]

 * val[63:56] == 2: val[7:0] is a vector number.

 * If val == 0 then CPU0 event-channel notifications are not delivered.

 */

#define HVM_PARAM_CALLBACK_IRQ 0

#define HVM_PARAM_STORE_PFN    1

#define HVM_PARAM_STORE_EVTCHN 2

#define HVM_PARAM_PAE_ENABLED  4

#define HVM_PARAM_IOREQ_PFN    5

#define HVM_PARAM_BUFIOREQ_PFN 6

/*

 * Set mode for virtual timers (currently x86 only):

 *  delay_for_missed_ticks (default):

 *   Do not advance a vcpu's time beyond the correct delivery time for

 *   interrupts that have been missed due to preemption. Deliver missed

 *   interrupts when the vcpu is rescheduled and advance the vcpu's virtual

 *   time stepwise for each one.

 *  no_delay_for_missed_ticks:

 *   As above, missed interrupts are delivered, but guest time always tracks

 *   wallclock (i.e., real) time while doing so.

 *  no_missed_ticks_pending:

 *   No missed interrupts are held pending. Instead, to ensure ticks are

 *   delivered at some non-zero rate, if we detect missed ticks then the

 *   internal tick alarm is not disabled if the VCPU is preempted during the

 *   next tick period.

 *  one_missed_tick_pending:

 *   Missed interrupts are collapsed together and delivered as one 'late tick'.

 *   Guest time always tracks wallclock (i.e., real) time.

 */

#define HVM_PARAM_TIMER_MODE   10

#define HVMPTM_delay_for_missed_ticks    0

#define HVMPTM_no_delay_for_missed_ticks 1

#define HVMPTM_no_missed_ticks_pending   2

#define HVMPTM_one_missed_tick_pending   3

/* Boolean: Enable virtual HPET (high-precision event timer)? (x86-only) */

#define HVM_PARAM_HPET_ENABLED 11

/* Identity-map page directory used by Intel EPT when CR0.PG=0. */

#define HVM_PARAM_IDENT_PT     12

/* Device Model domain, defaults to 0. */

#define HVM_PARAM_DM_DOMAIN    13

/* ACPI S state: currently support S0 and S3 on x86. */

#define HVM_PARAM_ACPI_S_STATE 14

/* TSS used on Intel when CR0.PE=0. */

#define HVM_PARAM_VM86_TSS     15

/* Boolean: Enable aligning all periodic vpts to reduce interrupts */

#define HVM_PARAM_VPT_ALIGN    16

#define HVM_NR_PARAMS          17

#endif /* __XEN_PUBLIC_HVM_PARAMS_H__ */