From 4983b39a0687b00688478e6748b979a02934b234 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Wed, 19 Aug 2009 16:14:47 -0700 Subject: Staging: hv: move osd.h This moves osd.h out of the include/ subdirectory. No code changes are made here. Cc: Hank Janssen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/hv/osd.h | 78 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 drivers/staging/hv/osd.h (limited to 'drivers/staging/hv/osd.h') diff --git a/drivers/staging/hv/osd.h b/drivers/staging/hv/osd.h new file mode 100644 index 00000000000..949c273e576 --- /dev/null +++ b/drivers/staging/hv/osd.h @@ -0,0 +1,78 @@ +/* + * + * Copyright (c) 2009, Microsoft Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + * Authors: + * Haiyang Zhang + * Hank Janssen + * + */ + + +#ifndef _OSD_H_ +#define _OSD_H_ + + +/* Defines */ + + + +#define ALIGN_UP(value, align) ( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) ) +#define ALIGN_DOWN(value, align) ( (value) & ~(align-1) ) +#define NUM_PAGES_SPANNED(addr, len) ( (ALIGN_UP(addr+len, PAGE_SIZE) - ALIGN_DOWN(addr, PAGE_SIZE)) >> PAGE_SHIFT ) + +#define LOWORD(dw) ((unsigned short) (dw)) +#define HIWORD(dw) ((unsigned short) (((unsigned int) (dw) >> 16) & 0xFFFF)) + +typedef struct _DLIST_ENTRY { + struct _DLIST_ENTRY *Flink; + struct _DLIST_ENTRY *Blink; +} DLIST_ENTRY; + + +/* Other types */ + +/* typedef unsigned char GUID[16]; */ + +typedef struct { + unsigned char Data[16]; +} GUID; + +struct osd_waitevent { + int condition; + wait_queue_head_t event; +}; + +/* Osd routines */ + +extern void *osd_VirtualAllocExec(unsigned int size); + +extern void *osd_PageAlloc(unsigned int count); +extern void osd_PageFree(void* page, unsigned int count); + +extern struct osd_waitevent *osd_WaitEventCreate(void); +extern void osd_WaitEventSet(struct osd_waitevent *waitEvent); +extern int osd_WaitEventWait(struct osd_waitevent *waitEvent); + +/* If >0, waitEvent got signaled. If ==0, timeout. If < 0, error */ +extern int osd_WaitEventWaitEx(struct osd_waitevent *waitEvent, u32 TimeoutInMs); + + +int osd_schedule_callback(struct workqueue_struct *wq, + void (*func)(void *), + void *data); + +#endif /* _OSD_H_ */ -- cgit v1.2.3