1/*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#ifndef _VMM_LAPIC_H_
30#define _VMM_LAPIC_H_
31
32struct vm;
| 1/*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#ifndef _VMM_LAPIC_H_
30#define _VMM_LAPIC_H_
31
32struct vm;
|
33struct vie;
| |
34
35boolean_t lapic_msr(u_int num);
36int lapic_rdmsr(struct vm *vm, int cpu, u_int msr, uint64_t *rval);
37int lapic_wrmsr(struct vm *vm, int cpu, u_int msr, uint64_t wval);
38
| 33
34boolean_t lapic_msr(u_int num);
35int lapic_rdmsr(struct vm *vm, int cpu, u_int msr, uint64_t *rval);
36int lapic_wrmsr(struct vm *vm, int cpu, u_int msr, uint64_t wval);
37
|
39int lapic_mmio(struct vm *vm, int cpu, u_int offset, int rd, struct vie *);
| 38int lapic_mmio_read(void *vm, int cpu, uint64_t gpa,
39 uint64_t *rval, int size, void *arg);
40int lapic_mmio_write(void *vm, int cpu, uint64_t gpa,
41 uint64_t wval, int size, void *arg);
|
40
41int lapic_timer_tick(struct vm *vm, int cpu);
42
43/*
44 * Returns a vector between 32 and 255 if an interrupt is pending in the
45 * IRR that can be delivered based on the current state of ISR and TPR.
46 *
47 * Note that the vector does not automatically transition to the ISR as a
48 * result of calling this function.
49 *
50 * Returns -1 if there is no eligible vector that can be delivered to the
51 * guest at this time.
52 */
53int lapic_pending_intr(struct vm *vm, int cpu);
54
55/*
56 * Transition 'vector' from IRR to ISR. This function is called with the
57 * vector returned by 'lapic_pending_intr()' when the guest is able to
58 * accept this interrupt (i.e. RFLAGS.IF = 1 and no conditions exist that
59 * block interrupt delivery).
60 */
61void lapic_intr_accepted(struct vm *vm, int cpu, int vector);
62
63/*
64 * Signals to the LAPIC that an interrupt at 'vector' needs to be generated
65 * to the 'cpu', the state is recorded in IRR.
66 */
67int lapic_set_intr(struct vm *vm, int cpu, int vector);
68
69#endif
| 42
43int lapic_timer_tick(struct vm *vm, int cpu);
44
45/*
46 * Returns a vector between 32 and 255 if an interrupt is pending in the
47 * IRR that can be delivered based on the current state of ISR and TPR.
48 *
49 * Note that the vector does not automatically transition to the ISR as a
50 * result of calling this function.
51 *
52 * Returns -1 if there is no eligible vector that can be delivered to the
53 * guest at this time.
54 */
55int lapic_pending_intr(struct vm *vm, int cpu);
56
57/*
58 * Transition 'vector' from IRR to ISR. This function is called with the
59 * vector returned by 'lapic_pending_intr()' when the guest is able to
60 * accept this interrupt (i.e. RFLAGS.IF = 1 and no conditions exist that
61 * block interrupt delivery).
62 */
63void lapic_intr_accepted(struct vm *vm, int cpu, int vector);
64
65/*
66 * Signals to the LAPIC that an interrupt at 'vector' needs to be generated
67 * to the 'cpu', the state is recorded in IRR.
68 */
69int lapic_set_intr(struct vm *vm, int cpu, int vector);
70
71#endif
|