#define DRM_HASH_SIZE 16 /* Size of key hash table */
#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
-#define DRM_LOOPING_LIMIT 5000000
-#define DRM_BSZ 1024 /* Buffer size for /dev/drm? output */
-#define DRM_LOCK_SLICE 1 /* Time slice for lock, in jiffies */
#define DRM_FLAG_DEBUG 0x01
-#define DRM_FLAG_NOCTX 0x02
#define DRM_MEM_DMA 0
#define DRM_MEM_SAREA 1
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
- /* Backward compatibility section */
- /* _PAGE_WT changed to _PAGE_PWT in 2.2.6 */
-#ifndef _PAGE_PWT
-#define _PAGE_PWT _PAGE_WT
-#endif
-
/* Mapping helper macros */
#define DRM_IOREMAP(map) \
(map)->handle = DRM(ioremap)( dev, map )
} while(0)
-typedef struct drm_pci_list {
- u16 vendor;
- u16 device;
-} drm_pci_list_t;
-
typedef struct drm_ioctl_desc {
int (*func)(DRM_IOCTL_ARGS);
int auth_needed;
} drm_lock_data_t;
typedef struct drm_device_dma {
-#if 0
- /* Performance Counters */
- atomic_t total_prio; /* Total DRM_DMA_PRIORITY */
- atomic_t total_bytes; /* Total bytes DMA'd */
- atomic_t total_dmas; /* Total DMA buffers dispatched */
-
- atomic_t total_missed_dma; /* Missed drm_do_dma */
- atomic_t total_missed_lock; /* Missed lock in drm_do_dma */
- atomic_t total_missed_free; /* Missed drm_free_this_buffer */
- atomic_t total_missed_sched;/* Missed drm_dma_schedule */
-
- atomic_t total_tried; /* Tried next_buffer */
- atomic_t total_hit; /* Sent next_buffer */
- atomic_t total_lost; /* Lost interrupt */
-#endif
-
drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
int buf_count;
drm_buf_t **buflist; /* Vector of pointers info bufs */
dma_addr_t *busaddr;
} drm_sg_mem_t;
-typedef struct drm_sigdata {
- int context;
- drm_hw_lock_t *lock;
-} drm_sigdata_t;
-
typedef struct drm_local_map {
unsigned long offset; /* Physical address (0 for SAREA)*/
unsigned long size; /* Physical size (bytes) */
device_t device; /* Device instance from newbus */
#endif
dev_t devnode; /* Device number for mknod */
- char *devname; /* For /proc/interrupts */
- int blocked; /* Blocked due to VC switch? */
int flags; /* Flags to open(2) */
- int writable; /* Opened with FWRITE */
/* Locks */
DRM_SPINTYPE count_lock; /* For inuse, open_count, buf_use */
#if __HAVE_VBL_IRQ
wait_queue_head_t vbl_queue; /* vbl wait channel */
atomic_t vbl_received;
-#if 0 /* vbl signals are untested, ntested */
+#if 0 /* vbl signals are untested */
struct drm_vbl_sig_list vbl_sig_list;
DRM_SPINTYPE vbl_lock;
#endif
drm_sg_mem_t *sg; /* Scatter gather memory */
atomic_t *ctx_bitmap;
void *dev_private;
- drm_sigdata_t sigdata; /* For block_all_signals */
- sigset_t sigmask;
};
extern int DRM(flags);
drm_lock_flags_t flags);
extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context,
drm_lock_flags_t flags);
-extern int DRM(notifier)(void *priv);
/* Buffer management support (drm_bufs.h) */
extern int DRM(order)( unsigned long size );
return 0;
}
- if ( DRM(flags) & DRM_FLAG_NOCTX ) {
- DRM(context_switch_complete)( dev, new );
- }
-
return 0;
}
return DRM_ERR(EINVAL);
}
- if (DRM(flags) & DRM_FLAG_NOCTX) {
- DRM(context_switch_complete)(dev, new);
- }
-
atomic_dec(&q->use_count);
return 0;
#ifndef __HAVE_SG
#define __HAVE_SG 0
#endif
-#ifndef __HAVE_KERNEL_CTX_SWITCH
-#define __HAVE_KERNEL_CTX_SWITCH 0
-#endif
-#ifndef PCI_ANY_ID
-#define PCI_ANY_ID ~0
-#endif
#ifndef DRIVER_PREINIT
#define DRIVER_PREINIT()
#ifndef DRIVER_FOPS
#endif
-/*
- * The default number of instances (minor numbers) to initialize.
- */
-#ifndef DRIVER_NUM_CARDS
-#define DRIVER_NUM_CARDS 1
-#endif
-
#if 1 && DRM_DEBUG_CODE
int DRM(flags) = DRM_FLAG_DEBUG;
#else
DRM_LOCK;
callout_stop( &dev->timer );
- if ( dev->devname ) {
- DRM(free)( dev->devname, strlen( dev->devname ) + 1,
- DRM_MEM_DRIVER );
- dev->devname = NULL;
- }
-
if ( dev->unique ) {
DRM(free)( dev->unique, strlen( dev->unique ) + 1,
DRM_MEM_DRIVER );
device_unbusy(dev->device);
#endif
if ( !--dev->open_count ) {
- if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) {
- DRM_ERROR( "Device busy: %ld %d\n",
- (unsigned long)atomic_read( &dev->ioctl_count ),
- dev->blocked );
+ if (atomic_read(&dev->ioctl_count)) {
+ DRM_ERROR("Device busy: %ld\n",
+ (unsigned long)atomic_read( &dev->ioctl_count ));
DRM_SPINUNLOCK( &dev->count_lock );
return DRM_ERR(EBUSY);
}
#endif
if ( !ret ) {
+ /* FIXME: Add signal blocking here */
#if __HAVE_DMA_READY
if ( lock.flags & _DRM_LOCK_READY ) {
DRIVER_DMA_QUIESCENT();
}
#endif
-#if __HAVE_KERNEL_CTX_SWITCH
- if ( dev->last_context != lock.context ) {
- DRM(context_switch)(dev, dev->last_context,
- lock.context);
- }
-#endif
}
DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
-#if __HAVE_KERNEL_CTX_SWITCH
- /* We no longer really hold it, but if we are the next
- * agent to request it then we should just be able to
- * take it immediately and not eat the ioctl.
- */
- dev->lock.pid = 0;
- {
- __volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
- unsigned int old, new, prev, ctx;
-
- ctx = lock.context;
- do {
- old = *plock;
- new = ctx;
- prev = cmpxchg(plock, old, new);
- } while (prev != old);
- }
- wake_up_interruptible(&dev->lock.lock_queue);
-#else
DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT );
#if __HAVE_DMA_SCHEDULE
DRM_ERROR( "\n" );
}
}
-#endif /* !__HAVE_KERNEL_CTX_SWITCH */
return 0;
}
dev->unique[dev->unique_len] = '\0';
- dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2,
- DRM_MEM_DRIVER);
- if(!dev->devname) {
- DRM(free)(dev->devname, sizeof(*dev->devname), DRM_MEM_DRIVER);
- return DRM_ERR(ENOMEM);
- }
- sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
-
-
return 0;
}
DRM(flush_unblock)(dev, lock.context, lock.flags);
return ret;
}
-
-/* If we get here, it means that the process has called DRM_IOCTL_LOCK
- without calling DRM_IOCTL_UNLOCK.
-
- If the lock is not held, then let the signal proceed as usual.
-
- If the lock is held, then set the contended flag and keep the signal
- blocked.
-
-
- Return 1 if the signal should be delivered normally.
- Return 0 if the signal should be blocked. */
-
-int DRM(notifier)(void *priv)
-{
- drm_sigdata_t *s = (drm_sigdata_t *)priv;
- unsigned int old, new;
-
- /* Allow signal delivery if lock isn't held */
- if (!_DRM_LOCK_IS_HELD(s->lock->lock)
- || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1;
-
- /* Otherwise, set flag to force call to
- drmUnlock */
- do {
- old = s->lock->lock;
- new = old | _DRM_LOCK_CONT;
- } while (!atomic_cmpset_int(&s->lock->lock, old, new));
-
- return 0;
-}
-
#endif
#define malloctype DRM(M_DRM)
-/* The macros confliced in the MALLOC_DEFINE */
+/* The macros conflicted in the MALLOC_DEFINE */
MALLOC_DECLARE(malloctype);
#undef malloctype
* exist.
*/
#if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000
-/* FIXME: again, what's the exact date? */
#define MODULE_VERSION(a,b) struct __hack
#define MODULE_DEPEND(a,b,c,d,e) struct __hack
-
#endif
/* Redefinitions to make templating easy */
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#endif
-#define DRM_PROC_LIMIT (PAGE_SIZE-80)
-
#if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002))
#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
#else
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#endif
-#define DRM_PROC_LIMIT (PAGE_SIZE-80)
-
#define DRM_SYSCTL_PRINT(fmt, arg...) \
snprintf(buf, sizeof(buf), fmt, ##arg); \
error = SYSCTL_OUT(req, buf, strlen(buf)); \
#define DRM_HASH_SIZE 16 /* Size of key hash table */
#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
-#define DRM_LOOPING_LIMIT 5000000
-#define DRM_BSZ 1024 /* Buffer size for /dev/drm? output */
-#define DRM_LOCK_SLICE 1 /* Time slice for lock, in jiffies */
#define DRM_FLAG_DEBUG 0x01
-#define DRM_FLAG_NOCTX 0x02
#define DRM_MEM_DMA 0
#define DRM_MEM_SAREA 1
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
- /* Backward compatibility section */
- /* _PAGE_WT changed to _PAGE_PWT in 2.2.6 */
-#ifndef _PAGE_PWT
-#define _PAGE_PWT _PAGE_WT
-#endif
-
/* Mapping helper macros */
#define DRM_IOREMAP(map) \
(map)->handle = DRM(ioremap)( dev, map )
} while(0)
-typedef struct drm_pci_list {
- u16 vendor;
- u16 device;
-} drm_pci_list_t;
-
typedef struct drm_ioctl_desc {
int (*func)(DRM_IOCTL_ARGS);
int auth_needed;
} drm_lock_data_t;
typedef struct drm_device_dma {
-#if 0
- /* Performance Counters */
- atomic_t total_prio; /* Total DRM_DMA_PRIORITY */
- atomic_t total_bytes; /* Total bytes DMA'd */
- atomic_t total_dmas; /* Total DMA buffers dispatched */
-
- atomic_t total_missed_dma; /* Missed drm_do_dma */
- atomic_t total_missed_lock; /* Missed lock in drm_do_dma */
- atomic_t total_missed_free; /* Missed drm_free_this_buffer */
- atomic_t total_missed_sched;/* Missed drm_dma_schedule */
-
- atomic_t total_tried; /* Tried next_buffer */
- atomic_t total_hit; /* Sent next_buffer */
- atomic_t total_lost; /* Lost interrupt */
-#endif
-
drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
int buf_count;
drm_buf_t **buflist; /* Vector of pointers info bufs */
dma_addr_t *busaddr;
} drm_sg_mem_t;
-typedef struct drm_sigdata {
- int context;
- drm_hw_lock_t *lock;
-} drm_sigdata_t;
-
typedef struct drm_local_map {
unsigned long offset; /* Physical address (0 for SAREA)*/
unsigned long size; /* Physical size (bytes) */
device_t device; /* Device instance from newbus */
#endif
dev_t devnode; /* Device number for mknod */
- char *devname; /* For /proc/interrupts */
- int blocked; /* Blocked due to VC switch? */
int flags; /* Flags to open(2) */
- int writable; /* Opened with FWRITE */
/* Locks */
DRM_SPINTYPE count_lock; /* For inuse, open_count, buf_use */
#if __HAVE_VBL_IRQ
wait_queue_head_t vbl_queue; /* vbl wait channel */
atomic_t vbl_received;
-#if 0 /* vbl signals are untested, ntested */
+#if 0 /* vbl signals are untested */
struct drm_vbl_sig_list vbl_sig_list;
DRM_SPINTYPE vbl_lock;
#endif
drm_sg_mem_t *sg; /* Scatter gather memory */
atomic_t *ctx_bitmap;
void *dev_private;
- drm_sigdata_t sigdata; /* For block_all_signals */
- sigset_t sigmask;
};
extern int DRM(flags);
drm_lock_flags_t flags);
extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context,
drm_lock_flags_t flags);
-extern int DRM(notifier)(void *priv);
/* Buffer management support (drm_bufs.h) */
extern int DRM(order)( unsigned long size );
return 0;
}
- if ( DRM(flags) & DRM_FLAG_NOCTX ) {
- DRM(context_switch_complete)( dev, new );
- }
-
return 0;
}
return DRM_ERR(EINVAL);
}
- if (DRM(flags) & DRM_FLAG_NOCTX) {
- DRM(context_switch_complete)(dev, new);
- }
-
atomic_dec(&q->use_count);
return 0;
#ifndef __HAVE_SG
#define __HAVE_SG 0
#endif
-#ifndef __HAVE_KERNEL_CTX_SWITCH
-#define __HAVE_KERNEL_CTX_SWITCH 0
-#endif
-#ifndef PCI_ANY_ID
-#define PCI_ANY_ID ~0
-#endif
#ifndef DRIVER_PREINIT
#define DRIVER_PREINIT()
#ifndef DRIVER_FOPS
#endif
-/*
- * The default number of instances (minor numbers) to initialize.
- */
-#ifndef DRIVER_NUM_CARDS
-#define DRIVER_NUM_CARDS 1
-#endif
-
#if 1 && DRM_DEBUG_CODE
int DRM(flags) = DRM_FLAG_DEBUG;
#else
DRM_LOCK;
callout_stop( &dev->timer );
- if ( dev->devname ) {
- DRM(free)( dev->devname, strlen( dev->devname ) + 1,
- DRM_MEM_DRIVER );
- dev->devname = NULL;
- }
-
if ( dev->unique ) {
DRM(free)( dev->unique, strlen( dev->unique ) + 1,
DRM_MEM_DRIVER );
device_unbusy(dev->device);
#endif
if ( !--dev->open_count ) {
- if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) {
- DRM_ERROR( "Device busy: %ld %d\n",
- (unsigned long)atomic_read( &dev->ioctl_count ),
- dev->blocked );
+ if (atomic_read(&dev->ioctl_count)) {
+ DRM_ERROR("Device busy: %ld\n",
+ (unsigned long)atomic_read( &dev->ioctl_count ));
DRM_SPINUNLOCK( &dev->count_lock );
return DRM_ERR(EBUSY);
}
#endif
if ( !ret ) {
+ /* FIXME: Add signal blocking here */
#if __HAVE_DMA_READY
if ( lock.flags & _DRM_LOCK_READY ) {
DRIVER_DMA_QUIESCENT();
}
#endif
-#if __HAVE_KERNEL_CTX_SWITCH
- if ( dev->last_context != lock.context ) {
- DRM(context_switch)(dev, dev->last_context,
- lock.context);
- }
-#endif
}
DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
-#if __HAVE_KERNEL_CTX_SWITCH
- /* We no longer really hold it, but if we are the next
- * agent to request it then we should just be able to
- * take it immediately and not eat the ioctl.
- */
- dev->lock.pid = 0;
- {
- __volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
- unsigned int old, new, prev, ctx;
-
- ctx = lock.context;
- do {
- old = *plock;
- new = ctx;
- prev = cmpxchg(plock, old, new);
- } while (prev != old);
- }
- wake_up_interruptible(&dev->lock.lock_queue);
-#else
DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT );
#if __HAVE_DMA_SCHEDULE
DRM_ERROR( "\n" );
}
}
-#endif /* !__HAVE_KERNEL_CTX_SWITCH */
return 0;
}
dev->unique[dev->unique_len] = '\0';
- dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2,
- DRM_MEM_DRIVER);
- if(!dev->devname) {
- DRM(free)(dev->devname, sizeof(*dev->devname), DRM_MEM_DRIVER);
- return DRM_ERR(ENOMEM);
- }
- sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
-
-
return 0;
}
DRM(flush_unblock)(dev, lock.context, lock.flags);
return ret;
}
-
-/* If we get here, it means that the process has called DRM_IOCTL_LOCK
- without calling DRM_IOCTL_UNLOCK.
-
- If the lock is not held, then let the signal proceed as usual.
-
- If the lock is held, then set the contended flag and keep the signal
- blocked.
-
-
- Return 1 if the signal should be delivered normally.
- Return 0 if the signal should be blocked. */
-
-int DRM(notifier)(void *priv)
-{
- drm_sigdata_t *s = (drm_sigdata_t *)priv;
- unsigned int old, new;
-
- /* Allow signal delivery if lock isn't held */
- if (!_DRM_LOCK_IS_HELD(s->lock->lock)
- || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1;
-
- /* Otherwise, set flag to force call to
- drmUnlock */
- do {
- old = s->lock->lock;
- new = old | _DRM_LOCK_CONT;
- } while (!atomic_cmpset_int(&s->lock->lock, old, new));
-
- return 0;
-}
-
#endif
#define malloctype DRM(M_DRM)
-/* The macros confliced in the MALLOC_DEFINE */
+/* The macros conflicted in the MALLOC_DEFINE */
MALLOC_DECLARE(malloctype);
#undef malloctype
* exist.
*/
#if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000
-/* FIXME: again, what's the exact date? */
#define MODULE_VERSION(a,b) struct __hack
#define MODULE_DEPEND(a,b,c,d,e) struct __hack
-
#endif
/* Redefinitions to make templating easy */
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#endif
-#define DRM_PROC_LIMIT (PAGE_SIZE-80)
-
#if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002))
#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
#else
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#endif
-#define DRM_PROC_LIMIT (PAGE_SIZE-80)
-
#define DRM_SYSCTL_PRINT(fmt, arg...) \
snprintf(buf, sizeof(buf), fmt, ##arg); \
error = SYSCTL_OUT(req, buf, strlen(buf)); \
projects / platform / upstream / libdrm.git / commitdiff