20bce8fa9f
And pack them into one flag field. MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D6522
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/*-
|
|
* Copyright (c) 2016 Microsoft Corp.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice unmodified, this list of conditions, and the following
|
|
* disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _VMBUS_VAR_H_
|
|
#define _VMBUS_VAR_H_
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/bus_dma.h>
|
|
#include <dev/hyperv/include/hyperv_busdma.h>
|
|
|
|
struct vmbus_pcpu_data {
|
|
u_long *intr_cnt; /* Hyper-V interrupt counter */
|
|
struct vmbus_message *message; /* shared messages */
|
|
uint32_t vcpuid; /* virtual cpuid */
|
|
int event_flag_cnt; /* # of event flags */
|
|
union vmbus_event_flags *event_flag; /* shared event flags */
|
|
|
|
/* Rarely used fields */
|
|
struct hyperv_dma message_dma; /* busdma glue */
|
|
struct hyperv_dma event_flag_dma; /* busdma glue */
|
|
struct taskqueue *event_tq; /* event taskq */
|
|
struct taskqueue *message_tq; /* message taskq */
|
|
struct task message_task; /* message task */
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
struct vmbus_softc {
|
|
void (*vmbus_event_proc)(struct vmbus_softc *, int);
|
|
struct vmbus_pcpu_data vmbus_pcpu[MAXCPU];
|
|
|
|
/* Rarely used fields */
|
|
device_t vmbus_dev;
|
|
int vmbus_idtvec;
|
|
uint32_t vmbus_flags; /* see VMBUS_FLAG_ */
|
|
};
|
|
|
|
#define VMBUS_FLAG_ATTACHED 0x0001 /* vmbus was attached */
|
|
#define VMBUS_FLAG_SYNIC 0x0002 /* SynIC was setup */
|
|
|
|
extern struct vmbus_softc *vmbus_sc;
|
|
|
|
static __inline struct vmbus_softc *
|
|
vmbus_get_softc(void)
|
|
{
|
|
return vmbus_sc;
|
|
}
|
|
|
|
static __inline device_t
|
|
vmbus_get_device(void)
|
|
{
|
|
return vmbus_sc->vmbus_dev;
|
|
}
|
|
|
|
#define VMBUS_PCPU_GET(sc, field, cpu) (sc)->vmbus_pcpu[(cpu)].field
|
|
#define VMBUS_PCPU_PTR(sc, field, cpu) &(sc)->vmbus_pcpu[(cpu)].field
|
|
|
|
void vmbus_on_channel_open(const struct hv_vmbus_channel *);
|
|
void vmbus_event_proc(struct vmbus_softc *, int);
|
|
void vmbus_event_proc_compat(struct vmbus_softc *, int);
|
|
|
|
#endif /* !_VMBUS_VAR_H_ */
|