Commit first pieces of port to OpenBSD, done by Martin Lexa (martin at

    martinlexa dot cz). Now that we've got porting for all three major BSDs
    (and the fourth being very similar to FreeBSD), move the
    mostly-duplication drm_os_* files into drmP.h. Remove some cruft from
    linux heritage and from pieces of the DRM that have since been removed.
Note that things are still not quite working for even FreeBSD, but these
    are first steps at cleanup, and just a WIP checkpoint.

1 files changed, 0 insertions, 449 deletions

diff --git a/bsd-core/drm_os_freebsd.h b/bsd-core/drm_os_freebsd.h
deleted file mode 100644
index ac72a7ae..00000000
--- a/bsd-core/drm_os_freebsd.h
+++ /dev/null
@@ -1,449 +0,0 @@
-/**
- * \file drm_os_freebsd.h
- * OS-specific #defines for FreeBSD
- * 
- * \author Eric Anholt <anholt@FreeBSD.org>
- */
-
-/*
- * Copyright 2003 Eric Anholt
- * All Rights Reserved.
- *
- * 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 (including the next
- * paragraph) 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
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
- */
-
-#include <sys/param.h>
-#include <sys/queue.h>
-#include <sys/malloc.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/systm.h>
-#include <sys/conf.h>
-#include <sys/stat.h>
-#include <sys/proc.h>
-#include <sys/lock.h>
-#include <sys/fcntl.h>
-#include <sys/uio.h>
-#include <sys/filio.h>
-#include <sys/sysctl.h>
-#include <sys/bus.h>
-#include <sys/signalvar.h>
-#include <sys/poll.h>
-#include <vm/vm.h>
-#include <vm/pmap.h>
-#include <vm/vm_extern.h>
-#include <vm/vm_map.h>
-#include <vm/vm_param.h>
-#include <machine/param.h>
-#include <machine/pmap.h>
-#include <machine/bus.h>
-#include <machine/resource.h>
-#if __FreeBSD_version >= 480000
-#include <sys/endian.h>
-#endif
-#include <sys/mman.h>
-#include <sys/rman.h>
-#include <sys/memrange.h>
-#if __FreeBSD_version >= 500000
-#include <dev/pci/pcivar.h>
-#include <sys/selinfo.h>
-#else
-#include <pci/pcivar.h>
-#include <sys/select.h>
-#endif
-#include <sys/bus.h>
-#if __FreeBSD_version >= 400005
-#include <sys/taskqueue.h>
-#endif
-#if __FreeBSD_version >= 500000
-#include <sys/mutex.h>
-#endif
-#include <pci/agpvar.h>
-#include <sys/agpio.h>
-
-#include "drm_linux_list.h"
-
-#include <opt_drm.h>
-#if DRM_DEBUG
-#undef  DRM_DEBUG_CODE
-#define DRM_DEBUG_CODE 2
-#endif
-#undef DRM_DEBUG
-
-#if defined(__amd64__)
-/* XXX: We don't have the necessary headers yet. At least. */
-#undef DRM_LINUX
-#endif
-
-#if DRM_LINUX
-#include <sys/file.h>
-#include <sys/proc.h>
-#include <machine/../linux/linux.h>
-#include <machine/../linux/linux_proto.h>
-#endif
-
-#define DRM_TIME_SLICE	      (hz/20)  /* Time slice for GLXContexts	  */
-
-#define DRM_DEV_MODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
-#define DRM_DEV_UID	0
-#define DRM_DEV_GID	0
-
-#define __OS_HAS_AGP	1
-
-#if __FreeBSD_version >= 500000
-#define DRM_CURPROC		curthread
-#define DRM_STRUCTPROC		struct thread
-#define DRM_SPINTYPE		struct mtx
-#define DRM_SPININIT(l,name)	mtx_init(&l, name, NULL, MTX_DEF)
-#define DRM_SPINUNINIT(l)	mtx_destroy(&l)
-#define DRM_SPINLOCK(l)		mtx_lock(l)
-#define DRM_SPINUNLOCK(u)	mtx_unlock(u);
-#define DRM_SPINLOCK_ASSERT(l)	mtx_assert(l, MA_OWNED)
-#define DRM_CURRENTPID		curthread->td_proc->p_pid
-#define DRM_LOCK()		mtx_lock(&dev->dev_lock)
-#define DRM_UNLOCK() 		mtx_unlock(&dev->dev_lock)
-#else
-/* There is no need for locking on FreeBSD 4.x.  Synchronization is handled by
- * the fact that there is no reentrancy of the kernel except for interrupt
- * handlers, and the interrupt handler synchronization is managed by spls.
- */
-#define DRM_CURPROC		curproc
-#define DRM_STRUCTPROC		struct proc
-#define DRM_SPINTYPE		
-#define DRM_SPININIT(l,name)
-#define DRM_SPINUNINIT(l)
-#define DRM_SPINLOCK(l)
-#define DRM_SPINUNLOCK(u)
-#define DRM_SPINLOCK_ASSERT(l)
-#define DRM_CURRENTPID		curproc->p_pid
-#define DRM_LOCK()
-#define DRM_UNLOCK()
-#endif
-
-/* Currently our DRMFILE (filp) is a void * which is actually the pid
- * of the current process.  It should be a per-open unique pointer, but
- * code for that is not yet written */
-#define DRMFILE			void *
-#define DRM_IOCTL_ARGS		struct cdev *kdev, u_long cmd, caddr_t data, \
-				int flags, DRM_STRUCTPROC *p, DRMFILE filp
-#define DRM_SUSER(p)		suser(p)
-#define DRM_TASKQUEUE_ARGS	void *arg, int pending
-#define DRM_IRQ_ARGS		void *arg
-typedef void			irqreturn_t;
-#define IRQ_HANDLED		/* nothing */
-#define IRQ_NONE		/* nothing */
-#define DRM_DEVICE		drm_device_t	*dev	= kdev->si_drv1
-#define DRM_MALLOC(size)	malloc(size, M_DRM, M_NOWAIT)
-#define DRM_FREE(pt,size)	free(pt, M_DRM)
-
-/* Read/write from bus space, with byteswapping to le if necessary */
-#define DRM_READ8(map, offset)		*(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset))
-#define DRM_READ16(map, offset)		*(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset))
-#define DRM_READ32(map, offset)		*(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset))
-#define DRM_WRITE8(map, offset, val)	*(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val
-#define DRM_WRITE16(map, offset, val)	*(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val
-#define DRM_WRITE32(map, offset, val)	*(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val
-/*
-#define DRM_READ8(map, offset)		bus_space_read_1(  (map)->iot, (map)->ioh, (offset) )
-#define DRM_READ32(map, offset)		bus_space_read_4(  (map)->iot, (map)->ioh, (offset) )
-#define DRM_WRITE8(map, offset, val)	bus_space_write_1( (map)->iot, (map)->ioh, (offset), (val) )
-#define DRM_WRITE32(map, offset, val)	bus_space_write_4( (map)->iot, (map)->ioh, (offset), (val) )
-*/
-#define DRM_AGP_FIND_DEVICE()	agp_find_device()
-#define DRM_ERR(v)		v
-
-#define DRM_MTRR_WC	MDF_WRITECOMBINE
-
-#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp)			\
-do {								\
-	if (_filp != (DRMFILE)(intptr_t)DRM_CURRENTPID) {	\
-		DRM_ERROR("filp doesn't match curproc\n");	\
-		return EINVAL;					\
-	}							\
-	DRM_LOCK();						\
-	_priv = drm_find_file_by_proc(dev, DRM_CURPROC);	\
-	DRM_UNLOCK();						\
-	if (_priv == NULL) {					\
-		DRM_ERROR("can't find authenticator\n");	\
-		return EINVAL;					\
-	}							\
-} while (0)
-
-#define LOCK_TEST_WITH_RETURN(dev, filp)				\
-do {									\
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||		\
-	     dev->lock.filp != filp) {					\
-		DRM_ERROR("%s called without lock held\n",		\
-			   __FUNCTION__);				\
-		return EINVAL;						\
-	}								\
-} while (0)
-
-#define DRM_UDELAY(udelay) DELAY(udelay)
-
-#define DRM_GETSAREA()					\
-do {								\
-	drm_map_list_entry_t *listentry;			\
-	TAILQ_FOREACH(listentry, dev->maplist, link) {		\
-		drm_local_map_t *map = listentry->map;		\
-		if (map->type == _DRM_SHM &&			\
-			map->flags & _DRM_CONTAINS_LOCK) {	\
-			dev_priv->sarea = map;			\
-			break;					\
-		}						\
-	}							\
-} while (0)
-
-#define DRM_HZ hz
-
-#if defined(__FreeBSD__) && __FreeBSD_version > 500000
-#define DRM_WAIT_ON( ret, queue, timeout, condition )		\
-for ( ret = 0 ; !ret && !(condition) ; ) {			\
-	mtx_lock(&dev->irq_lock);				\
-	if (!(condition))					\
-	   ret = msleep(&(queue), &dev->irq_lock, 	\
-			 PZERO | PCATCH, "drmwtq", (timeout));	\
-	mtx_unlock(&dev->irq_lock);			\
-}
-#else
-#define DRM_WAIT_ON( ret, queue, timeout, condition )	\
-for ( ret = 0 ; !ret && !(condition) ; ) {		\
-        int s = spldrm();				\
-	if (!(condition))				\
-	   ret = tsleep( &(queue), PZERO | PCATCH, 	\
-			 "drmwtq", (timeout) );		\
-	splx(s);					\
-}
-#endif
-
-#define DRM_WAKEUP( queue ) wakeup( queue )
-#define DRM_WAKEUP_INT( queue ) wakeup( queue )
-#define DRM_INIT_WAITQUEUE( queue )  do {} while (0)
-
-#define DRM_COPY_TO_USER_IOCTL(user, kern, size)	\
-	if ( IOCPARM_LEN(cmd) != size)			\
-		return EINVAL;				\
-	*user = kern;
-#define DRM_COPY_FROM_USER_IOCTL(kern, user, size) \
-	if ( IOCPARM_LEN(cmd) != size)			\
-		return EINVAL;				\
-	kern = *user;
-#define DRM_COPY_TO_USER(user, kern, size) \
-	copyout(kern, user, size)
-#define DRM_COPY_FROM_USER(kern, user, size) \
-	copyin(user, kern, size)
-/* Macros for userspace access with checking readability once */
-/* FIXME: can't find equivalent functionality for nocheck yet.
- * It'll be slower than linux, but should be correct.
- */
-#define DRM_VERIFYAREA_READ( uaddr, size )		\
-	(!useracc((caddr_t)uaddr, size, VM_PROT_READ))
-#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) 	\
-	copyin(arg2, arg1, arg3)
-#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3)	\
-	copyout(arg2, arg1, arg3)
-#define DRM_GET_USER_UNCHECKED(val, uaddr)			\
-	((val) = fuword(uaddr), 0)
-#define DRM_PUT_USER_UNCHECKED(uaddr, val)			\
-	suword(uaddr, val)
-
-/* DRM_READMEMORYBARRIER() prevents reordering of reads.
- * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
- * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
- */
-#if defined(__i386__)
-#define DRM_READMEMORYBARRIER()		__asm __volatile( \
-					"lock; addl $0,0(%%esp)" : : : "memory");
-#define DRM_WRITEMEMORYBARRIER()	__asm __volatile("" : : : "memory");
-#define DRM_MEMORYBARRIER()		__asm __volatile( \
-					"lock; addl $0,0(%%esp)" : : : "memory");
-#elif defined(__alpha__)
-#define DRM_READMEMORYBARRIER()		alpha_mb();
-#define DRM_WRITEMEMORYBARRIER()	alpha_wmb();
-#define DRM_MEMORYBARRIER()		alpha_mb();
-#elif defined(__amd64__)
-#define DRM_READMEMORYBARRIER()		__asm __volatile( \
-					"lock; addl $0,0(%%rsp)" : : : "memory");
-#define DRM_WRITEMEMORYBARRIER()	__asm __volatile("" : : : "memory");
-#define DRM_MEMORYBARRIER()		__asm __volatile( \
-					"lock; addl $0,0(%%rsp)" : : : "memory");
-#endif
-
-#define PAGE_ALIGN(addr) round_page(addr)
-
-#ifndef M_WAITOK		/* M_WAITOK (=0) name removed in -current */
-#define M_WAITOK 0
-#endif
-
-MALLOC_DECLARE(M_DRM);
-
-#if __FreeBSD_version < 502109
-#define bus_alloc_resource_any(dev, type, rid, flags) \
-	bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags)
-#endif
-
-#if __FreeBSD_version >= 480000
-#define cpu_to_le32(x) htole32(x)
-#define le32_to_cpu(x) le32toh(x)
-#else
-#define cpu_to_le32(x) (x)
-#define le32_to_cpu(x) (x)
-#endif
-
-typedef unsigned long dma_addr_t;
-typedef u_int32_t atomic_t;
-typedef u_int32_t u32;
-typedef u_int16_t u16;
-typedef u_int8_t u8;
-#define atomic_set(p, v)	(*(p) = (v))
-#define atomic_read(p)		(*(p))
-#define atomic_inc(p)		atomic_add_int(p, 1)
-#define atomic_dec(p)		atomic_subtract_int(p, 1)
-#define atomic_add(n, p)	atomic_add_int(p, n)
-#define atomic_sub(n, p)	atomic_subtract_int(p, n)
-
-/* Fake this */
-
-#if __FreeBSD_version < 500000
-/* The extra atomic functions from 5.0 haven't been merged to 4.x */
-static __inline int
-atomic_cmpset_int(volatile u_int *dst, u_int exp, u_int src)
-{
-	int res = exp;
-
-	__asm __volatile (
-	"	lock ;			"
-	"	cmpxchgl %1,%2 ;	"
-	"       setz	%%al ;		"
-	"	movzbl	%%al,%0 ;	"
-	"1:				"
-	"# atomic_cmpset_int"
-	: "+a" (res)			/* 0 (result) */
-	: "r" (src),			/* 1 */
-	  "m" (*(dst))			/* 2 */
-	: "memory");				 
-
-	return (res);
-}
-#endif
-
-static __inline atomic_t
-test_and_set_bit(int b, volatile void *p)
-{
-	int s = splhigh();
-	unsigned int m = 1<<b;
-	unsigned int r = *(volatile int *)p & m;
-	*(volatile int *)p |= m;
-	splx(s);
-	return r;
-}
-
-static __inline void
-clear_bit(int b, volatile void *p)
-{
-    atomic_clear_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
-}
-
-static __inline void
-set_bit(int b, volatile void *p)
-{
-    atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
-}
-
-static __inline int
-test_bit(int b, volatile void *p)
-{
-    return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
-}
-
-static __inline int
-find_first_zero_bit(volatile void *p, int max)
-{
-    int b;
-
-    for (b = 0; b < max; b += 32) {
-	if (((volatile int *)p)[b >> 5] != ~0) {
-	    for (;;) {
-		if ((((volatile int *)p)[b >> 5] & (1 << (b & 0x1f))) == 0)
-		    return b;
-		b++;
-	    }
-	}
-    }
-    return max;
-}
-
-#define spldrm()		spltty()
-
-/*
- * Fake out the module macros for versions of FreeBSD where they don't
- * exist.
- */
-#if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000
-#define MODULE_VERSION(a,b)		struct __hack
-#define MODULE_DEPEND(a,b,c,d,e)	struct __hack
-#endif
-
-/* Redefinitions to make templating easy */
-#define wait_queue_head_t	atomic_t
-#define agp_memory		void
-#define jiffies			ticks
-
-				/* Macros to make printf easier */
-#define DRM_ERROR(fmt, arg...) \
-	printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt,		\
-	    DRM_CURRENTPID, __func__ , ## arg)
-
-#define DRM_INFO(fmt, arg...)  printf("info: [" DRM_NAME "] " fmt , ## arg)
-
-#if DRM_DEBUG_CODE
-#define DRM_DEBUG(fmt, arg...)						\
-	do {								\
-		if (drm_flags & DRM_FLAG_DEBUG)				\
-			printf("[" DRM_NAME ":pid%d:%s] " fmt,		\
-			    DRM_CURRENTPID, __func__ , ## arg);		\
-	} while (0)
-#else
-#define DRM_DEBUG(fmt, arg...)		 do { } while (0)
-#endif
-
-#if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002))
-#define DRM_SYSCTL_HANDLER_ARGS	(SYSCTL_HANDLER_ARGS)
-#else
-#define DRM_SYSCTL_HANDLER_ARGS	SYSCTL_HANDLER_ARGS
-#endif
-
-/* Internal functions */
-
-/* drm_drv.h */
-extern d_ioctl_t	drm_ioctl;
-extern d_open_t		drm_open;
-extern d_close_t	drm_close;
-extern d_read_t		drm_read;
-extern d_poll_t		drm_poll;
-extern d_mmap_t		drm_mmap;
-extern int		drm_open_helper(struct cdev *kdev, int flags, int fmt, 
-					 DRM_STRUCTPROC *p, drm_device_t *dev);
-extern drm_file_t	*drm_find_file_by_proc(drm_device_t *dev, 
-					 DRM_STRUCTPROC *p);
-
-/* sysctl support (drm_sysctl.h) */
-extern int		drm_sysctl_init(drm_device_t *dev);
-extern int		drm_sysctl_cleanup(drm_device_t *dev);