diff options
Diffstat (limited to 'bsd')
| -rw-r--r-- | bsd/drmP.h | 19 | ||||
| -rw-r--r-- | bsd/drm_context.h | 348 | ||||
| -rw-r--r-- | bsd/drm_dma.h | 265 | ||||
| -rw-r--r-- | bsd/drm_drv.h | 30 | ||||
| -rw-r--r-- | bsd/drm_ioctl.h | 6 | ||||
| -rw-r--r-- | bsd/drm_lists.h | 235 | ||||
| -rw-r--r-- | bsd/drm_lock.h | 107 |
7 files changed, 13 insertions, 997 deletions
@@ -476,10 +476,6 @@ extern int DRM(lock_transfer)(drm_device_t *dev, extern int DRM(lock_free)(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); -extern int DRM(flush_unblock)(drm_device_t *dev, int context, - drm_lock_flags_t flags); -extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context, - drm_lock_flags_t flags); /* Buffer management support (drm_bufs.h) */ extern int DRM(order)( unsigned long size ); @@ -490,15 +486,6 @@ extern int DRM(dma_setup)(drm_device_t *dev); extern void DRM(dma_takedown)(drm_device_t *dev); extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); extern void DRM(reclaim_buffers)(drm_device_t *dev, DRMFILE filp); -#if __HAVE_OLD_DMA -/* GH: This is a dirty hack for now... - */ -extern void DRM(clear_next_buffer)(drm_device_t *dev); -extern int DRM(select_queue)(drm_device_t *dev, - void (*wrapper)(unsigned long)); -extern int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *dma); -extern int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma); -#endif #if __HAVE_DMA_IRQ extern int DRM(irq_install)( drm_device_t *dev, int irq ); extern int DRM(irq_uninstall)( drm_device_t *dev ); @@ -568,6 +555,7 @@ extern int DRM(setunique)(DRM_IOCTL_ARGS); extern int DRM(getmap)(DRM_IOCTL_ARGS); extern int DRM(getclient)(DRM_IOCTL_ARGS); extern int DRM(getstats)(DRM_IOCTL_ARGS); +extern int DRM(noop)(DRM_IOCTL_ARGS); /* Context IOCTL support (drm_context.h) */ extern int DRM(resctx)(DRM_IOCTL_ARGS); @@ -588,11 +576,6 @@ extern int DRM(rmdraw)(DRM_IOCTL_ARGS); extern int DRM(getmagic)(DRM_IOCTL_ARGS); extern int DRM(authmagic)(DRM_IOCTL_ARGS); -/* Locking IOCTL support (drm_lock.h) */ -extern int DRM(block)(DRM_IOCTL_ARGS); -extern int DRM(unblock)(DRM_IOCTL_ARGS); -extern int DRM(finish)(DRM_IOCTL_ARGS); - /* Buffer management support (drm_bufs.h) */ extern int DRM(addmap)(DRM_IOCTL_ARGS); extern int DRM(rmmap)(DRM_IOCTL_ARGS); diff --git a/bsd/drm_context.h b/bsd/drm_context.h index c7823ac1..2293a806 100644 --- a/bsd/drm_context.h +++ b/bsd/drm_context.h @@ -32,7 +32,9 @@ #include "drmP.h" -#if __HAVE_CTX_BITMAP +#if !__HAVE_CTX_BITMAP +#error "__HAVE_CTX_BITMAP must be defined" +#endif /* ================================================================ * Context bitmap support @@ -345,347 +347,3 @@ int DRM(rmctx)( DRM_IOCTL_ARGS ) return 0; } - - -#else /* __HAVE_CTX_BITMAP */ - -/* ================================================================ - * Old-style context support - */ - - -int DRM(context_switch)(drm_device_t *dev, int old, int new) -{ - drm_queue_t *q; - -#if 0 - atomic_inc(&dev->total_ctx); -#endif - - if (test_and_set_bit(0, &dev->context_flag)) { - DRM_ERROR("Reentering -- FIXME\n"); - return DRM_ERR(EBUSY); - } - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new >= dev->queue_count) { - clear_bit(0, &dev->context_flag); - return DRM_ERR(EINVAL); - } - - if (new == dev->last_context) { - clear_bit(0, &dev->context_flag); - return 0; - } - - q = dev->queuelist[new]; - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) == 1) { - atomic_dec(&q->use_count); - clear_bit(0, &dev->context_flag); - return DRM_ERR(EINVAL); - } - - atomic_dec(&q->use_count); - - return 0; -} - -int DRM(context_switch_complete)(drm_device_t *dev, int new) -{ - drm_device_dma_t *dma = dev->dma; - - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - - if (!dma || !(dma->next_buffer && dma->next_buffer->while_locked)) { - if (DRM(lock_free)(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("Cannot free lock\n"); - } - } - - clear_bit(0, &dev->context_flag); - DRM_WAKEUP_INT(&dev->context_wait); - - return 0; -} - -static int DRM(init_queue)(drm_device_t *dev, drm_queue_t *q, drm_ctx_t *ctx) -{ - DRM_DEBUG("\n"); - - if (atomic_read(&q->use_count) != 1 - || atomic_read(&q->finalization) - || atomic_read(&q->block_count)) { - DRM_ERROR("New queue is already in use: u%ld f%ld b%ld\n", - (unsigned long)atomic_read(&q->use_count), - (unsigned long)atomic_read(&q->finalization), - (unsigned long)atomic_read(&q->block_count)); - } - - atomic_set(&q->finalization, 0); - atomic_set(&q->block_count, 0); - atomic_set(&q->block_read, 0); - atomic_set(&q->block_write, 0); - atomic_set(&q->total_queued, 0); - atomic_set(&q->total_flushed, 0); - atomic_set(&q->total_locks, 0); - - q->write_queue = 0; - q->read_queue = 0; - q->flush_queue = 0; - - q->flags = ctx->flags; - - DRM(waitlist_create)(&q->waitlist, dev->dma->buf_count); - - return 0; -} - - -/* drm_alloc_queue: -PRE: 1) dev->queuelist[0..dev->queue_count] is allocated and will not - disappear (so all deallocation must be done after IOCTLs are off) - 2) dev->queue_count < dev->queue_slots - 3) dev->queuelist[i].use_count == 0 and - dev->queuelist[i].finalization == 0 if i not in use -POST: 1) dev->queuelist[i].use_count == 1 - 2) dev->queue_count < dev->queue_slots */ - -static int DRM(alloc_queue)(drm_device_t *dev) -{ - int i; - drm_queue_t *queue; - int oldslots; - int newslots; - /* Check for a free queue */ - for (i = 0; i < dev->queue_count; i++) { - atomic_inc(&dev->queuelist[i]->use_count); - if (atomic_read(&dev->queuelist[i]->use_count) == 1 - && !atomic_read(&dev->queuelist[i]->finalization)) { - DRM_DEBUG("%d (free)\n", i); - return i; - } - atomic_dec(&dev->queuelist[i]->use_count); - } - /* Allocate a new queue */ - DRM_LOCK; - - queue = gamma_alloc(sizeof(*queue), DRM_MEM_QUEUES); - memset(queue, 0, sizeof(*queue)); - atomic_set(&queue->use_count, 1); - - ++dev->queue_count; - if (dev->queue_count >= dev->queue_slots) { - oldslots = dev->queue_slots * sizeof(*dev->queuelist); - if (!dev->queue_slots) dev->queue_slots = 1; - dev->queue_slots *= 2; - newslots = dev->queue_slots * sizeof(*dev->queuelist); - - dev->queuelist = DRM(realloc)(dev->queuelist, - oldslots, - newslots, - DRM_MEM_QUEUES); - if (!dev->queuelist) { - DRM_UNLOCK; - DRM_DEBUG("out of memory\n"); - return DRM_ERR(ENOMEM); - } - } - dev->queuelist[dev->queue_count-1] = queue; - - DRM_UNLOCK; - DRM_DEBUG("%d (new)\n", dev->queue_count - 1); - return dev->queue_count - 1; -} - -int DRM(resctx)( DRM_IOCTL_ARGS ) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); - - DRM_COPY_FROM_USER_IOCTL( res, (drm_ctx_res_t *)data, sizeof(res) ); - - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (DRM_COPY_TO_USER(&res.contexts[i], - &i, - sizeof(i))) - return DRM_ERR(EFAULT); - } - } - res.count = DRM_RESERVED_CONTEXTS; - - DRM_COPY_TO_USER_IOCTL( (drm_ctx_res_t *)data, res, sizeof(res) ); - - return 0; -} - -int DRM(addctx)( DRM_IOCTL_ARGS ) -{ - DRM_DEVICE; - drm_ctx_t ctx; - - DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); - - if ((ctx.handle = DRM(alloc_queue)(dev)) == DRM_KERNEL_CONTEXT) { - /* Init kernel's context and get a new one. */ - DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx); - ctx.handle = DRM(alloc_queue)(dev); - } - DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx); - DRM_DEBUG("%d\n", ctx.handle); - - DRM_COPY_TO_USER_IOCTL( (drm_ctx_t *)data, ctx, sizeof(ctx) ); - - return 0; -} - -int DRM(modctx)( DRM_IOCTL_ARGS ) -{ - DRM_DEVICE; - drm_ctx_t ctx; - drm_queue_t *q; - - DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); - - DRM_DEBUG("%d\n", ctx.handle); - - if (ctx.handle < 0 || ctx.handle >= dev->queue_count) - return DRM_ERR(EINVAL); - q = dev->queuelist[ctx.handle]; - - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) == 1) { - /* No longer in use */ - atomic_dec(&q->use_count); - return DRM_ERR(EINVAL); - } - - if (DRM_BUFCOUNT(&q->waitlist)) { - atomic_dec(&q->use_count); - return DRM_ERR(EBUSY); - } - - q->flags = ctx.flags; - - atomic_dec(&q->use_count); - return 0; -} - -int DRM(getctx)( DRM_IOCTL_ARGS ) -{ - DRM_DEVICE; - drm_ctx_t ctx; - drm_queue_t *q; - - DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); - - DRM_DEBUG("%d\n", ctx.handle); - - if (ctx.handle >= dev->queue_count) - return DRM_ERR(EINVAL); - q = dev->queuelist[ctx.handle]; - - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) == 1) { - /* No longer in use */ - atomic_dec(&q->use_count); - return DRM_ERR(EINVAL); - } - - ctx.flags = q->flags; - atomic_dec(&q->use_count); - - DRM_COPY_TO_USER_IOCTL( (drm_ctx_t *)data, ctx, sizeof(ctx) ); - - return 0; -} - -int DRM(switchctx)( DRM_IOCTL_ARGS ) -{ - DRM_DEVICE; - drm_ctx_t ctx; - - DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); - - DRM_DEBUG("%d\n", ctx.handle); - return DRM(context_switch)(dev, dev->last_context, ctx.handle); -} - -int DRM(newctx)( DRM_IOCTL_ARGS ) -{ - DRM_DEVICE; - drm_ctx_t ctx; - - DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); - - DRM_DEBUG("%d\n", ctx.handle); - DRM(context_switch_complete)(dev, ctx.handle); - - return 0; -} - -int DRM(rmctx)( DRM_IOCTL_ARGS ) -{ - DRM_DEVICE; - drm_ctx_t ctx; - drm_queue_t *q; - drm_buf_t *buf; - - DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); - - DRM_DEBUG("%d\n", ctx.handle); - - if (ctx.handle >= dev->queue_count) return DRM_ERR(EINVAL); - q = dev->queuelist[ctx.handle]; - - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) == 1) { - /* No longer in use */ - atomic_dec(&q->use_count); - return DRM_ERR(EINVAL); - } - - atomic_inc(&q->finalization); /* Mark queue in finalization state */ - atomic_sub(2, &q->use_count); /* Mark queue as unused (pending - finalization) */ - - while (test_and_set_bit(0, &dev->interrupt_flag)) { - static int never; - int retcode; - retcode = tsleep(&never, PZERO|PCATCH, "never", 1); - if (retcode) - return retcode; - } - /* Remove queued buffers */ - while ((buf = DRM(waitlist_get)(&q->waitlist))) { - DRM(free_buffer)(dev, buf); - } - clear_bit(0, &dev->interrupt_flag); - - /* Wakeup blocked processes */ - wakeup( &q->block_read ); - wakeup( &q->block_write ); - DRM_WAKEUP_INT( &q->flush_queue ); - /* Finalization over. Queue is made - available when both use_count and - finalization become 0, which won't - happen until all the waiting processes - stop waiting. */ - atomic_dec(&q->finalization); - return 0; -} - -#endif /* __HAVE_CTX_BITMAP */ diff --git a/bsd/drm_dma.h b/bsd/drm_dma.h index 86e37b08..27ce05e3 100644 --- a/bsd/drm_dma.h +++ b/bsd/drm_dma.h @@ -171,271 +171,6 @@ void DRM(reclaim_buffers)(drm_device_t *dev, DRMFILE filp) #endif -/* GH: This is a big hack for now... - */ -#if __HAVE_OLD_DMA - -void DRM(clear_next_buffer)(drm_device_t *dev) -{ - drm_device_dma_t *dma = dev->dma; - - dma->next_buffer = NULL; - if (dma->next_queue && !DRM_BUFCOUNT(&dma->next_queue->waitlist)) { - DRM_WAKEUP_INT(&dma->next_queue->flush_queue); - } - dma->next_queue = NULL; -} - -int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long)) -{ - int i; - int candidate = -1; - int j = jiffies; - - if (!dev) { - DRM_ERROR("No device\n"); - return -1; - } - if (!dev->queuelist || !dev->queuelist[DRM_KERNEL_CONTEXT]) { - /* This only happens between the time the - interrupt is initialized and the time - the queues are initialized. */ - return -1; - } - - /* Doing "while locked" DMA? */ - if (DRM_WAITCOUNT(dev, DRM_KERNEL_CONTEXT)) { - return DRM_KERNEL_CONTEXT; - } - - /* If there are buffers on the last_context - queue, and we have not been executing - this context very long, continue to - execute this context. */ - if (dev->last_switch <= j - && dev->last_switch + DRM_TIME_SLICE > j - && DRM_WAITCOUNT(dev, dev->last_context)) { - return dev->last_context; - } - - /* Otherwise, find a candidate */ - for (i = dev->last_checked + 1; i < dev->queue_count; i++) { - if (DRM_WAITCOUNT(dev, i)) { - candidate = dev->last_checked = i; - break; - } - } - - if (candidate < 0) { - for (i = 0; i < dev->queue_count; i++) { - if (DRM_WAITCOUNT(dev, i)) { - candidate = dev->last_checked = i; - break; - } - } - } - - if (wrapper - && candidate >= 0 - && candidate != dev->last_context - && dev->last_switch <= j - && dev->last_switch + DRM_TIME_SLICE > j) { - int s = splclock(); - if (dev->timer.c_time != dev->last_switch + DRM_TIME_SLICE) { - callout_reset(&dev->timer, - dev->last_switch + DRM_TIME_SLICE - j, - (void (*)(void *))wrapper, - dev); - } - splx(s); - return -1; - } - - return candidate; -} - - -int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *d) -{ - int i; - drm_queue_t *q; - drm_buf_t *buf; - int idx; - int while_locked = 0; - drm_device_dma_t *dma = dev->dma; - int error; - - DRM_DEBUG("%d\n", d->send_count); - - if (d->flags & _DRM_DMA_WHILE_LOCKED) { - int context = dev->lock.hw_lock->lock; - - if (!_DRM_LOCK_IS_HELD(context)) { - DRM_ERROR("No lock held during \"while locked\"" - " request\n"); - return DRM_ERR(EINVAL); - } - if (d->context != _DRM_LOCKING_CONTEXT(context) - && _DRM_LOCKING_CONTEXT(context) != DRM_KERNEL_CONTEXT) { - DRM_ERROR("Lock held by %d while %d makes" - " \"while locked\" request\n", - _DRM_LOCKING_CONTEXT(context), - d->context); - return DRM_ERR(EINVAL); - } - q = dev->queuelist[DRM_KERNEL_CONTEXT]; - while_locked = 1; - } else { - q = dev->queuelist[d->context]; - } - - - atomic_inc(&q->use_count); - if (atomic_read(&q->block_write)) { - atomic_inc(&q->block_count); - for (;;) { - if (!atomic_read(&q->block_write)) break; - error = tsleep(&q->block_write, PZERO|PCATCH, - "dmawr", 0); - if (error) { - atomic_dec(&q->use_count); - return error; - } - } - atomic_dec(&q->block_count); - } - - for (i = 0; i < d->send_count; i++) { - idx = d->send_indices[i]; - if (idx < 0 || idx >= dma->buf_count) { - atomic_dec(&q->use_count); - DRM_ERROR("Index %d (of %d max)\n", - d->send_indices[i], dma->buf_count - 1); - return DRM_ERR(EINVAL); - } - buf = dma->buflist[ idx ]; - if (buf->pid != DRM_CURRENTPID) { - atomic_dec(&q->use_count); - DRM_ERROR("Process %d using buffer owned by %d\n", - DRM_CURRENTPID, buf->pid); - return DRM_ERR(EINVAL); - } - if (buf->list != DRM_LIST_NONE) { - atomic_dec(&q->use_count); - DRM_ERROR("Process %d using buffer %d on list %d\n", - DRM_CURRENTPID, buf->idx, buf->list); - } - buf->used = d->send_sizes[i]; - buf->while_locked = while_locked; - buf->context = d->context; - if (!buf->used) { - DRM_ERROR("Queueing 0 length buffer\n"); - } - if (buf->pending) { - atomic_dec(&q->use_count); - DRM_ERROR("Queueing pending buffer:" - " buffer %d, offset %d\n", - d->send_indices[i], i); - return DRM_ERR(EINVAL); - } - if (buf->waiting) { - atomic_dec(&q->use_count); - DRM_ERROR("Queueing waiting buffer:" - " buffer %d, offset %d\n", - d->send_indices[i], i); - return DRM_ERR(EINVAL); - } - buf->waiting = 1; - if (atomic_read(&q->use_count) == 1 - || atomic_read(&q->finalization)) { - DRM(free_buffer)(dev, buf); - } else { - DRM(waitlist_put)(&q->waitlist, buf); - atomic_inc(&q->total_queued); - } - } - atomic_dec(&q->use_count); - - return 0; -} - -static int DRM(dma_get_buffers_of_order)(drm_device_t *dev, drm_dma_t *d, - int order) -{ - int i; - drm_buf_t *buf; - drm_device_dma_t *dma = dev->dma; - - for (i = d->granted_count; i < d->request_count; i++) { - buf = DRM(freelist_get)(&dma->bufs[order].freelist, - d->flags & _DRM_DMA_WAIT); - if (!buf) break; - if (buf->pending || buf->waiting) { - DRM_ERROR("Free buffer %d in use by %d (w%d, p%d)\n", - buf->idx, - buf->pid, - buf->waiting, - buf->pending); - } - buf->pid = DRM_CURRENTPID; - if (DRM_COPY_TO_USER(&d->request_indices[i], - &buf->idx, - sizeof(buf->idx))) - return DRM_ERR(EFAULT); - - if (DRM_COPY_TO_USER(&d->request_sizes[i], - &buf->total, - sizeof(buf->total))) - return DRM_ERR(EFAULT); - - ++d->granted_count; - } - return 0; -} - - -int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma) -{ - int order; - int retcode = 0; - int tmp_order; - - order = DRM(order)(dma->request_size); - - dma->granted_count = 0; - retcode = DRM(dma_get_buffers_of_order)(dev, dma, order); - - if (dma->granted_count < dma->request_count - && (dma->flags & _DRM_DMA_SMALLER_OK)) { - for (tmp_order = order - 1; - !retcode - && dma->granted_count < dma->request_count - && tmp_order >= DRM_MIN_ORDER; - --tmp_order) { - - retcode = DRM(dma_get_buffers_of_order)(dev, dma, - tmp_order); - } - } - - if (dma->granted_count < dma->request_count - && (dma->flags & _DRM_DMA_LARGER_OK)) { - for (tmp_order = order + 1; - !retcode - && dma->granted_count < dma->request_count - && tmp_order <= DRM_MAX_ORDER; - ++tmp_order) { - - retcode = DRM(dma_get_buffers_of_order)(dev, dma, - tmp_order); - } - } - return 0; -} - -#endif /* __HAVE_OLD_DMA */ - - #if __HAVE_DMA_IRQ int DRM(irq_install)( drm_device_t *dev, int irq ) diff --git a/bsd/drm_drv.h b/bsd/drm_drv.h index 1006e247..f1184906 100644 --- a/bsd/drm_drv.h +++ b/bsd/drm_drv.h @@ -68,12 +68,6 @@ #ifndef __HAVE_DMA_SCHEDULE #define __HAVE_DMA_SCHEDULE 0 #endif -#ifndef __HAVE_DMA_FLUSH -#define __HAVE_DMA_FLUSH 0 -#endif -#ifndef __HAVE_DMA_READY -#define __HAVE_DMA_READY 0 -#endif #ifndef __HAVE_DMA_QUIESCENT #define __HAVE_DMA_QUIESCENT 0 #endif @@ -150,8 +144,8 @@ static drm_ioctl_desc_t DRM(ioctls)[] = { [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { DRM(getstats), 0, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { DRM(setunique), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { DRM(block), 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { DRM(unblock), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { DRM(noop), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { DRM(noop), 1, 1 }, [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { DRM(authmagic), 1, 1 }, [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { DRM(addmap), 1, 1 }, @@ -175,7 +169,7 @@ static drm_ioctl_desc_t DRM(ioctls)[] = { [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { DRM(lock), 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { DRM(unlock), 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { DRM(finish), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { DRM(noop), 1, 0 }, #if __HAVE_DMA [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { DRM(addbufs), 1, 1 }, @@ -514,12 +508,6 @@ static int DRM(setup)( drm_device_t *dev ) DRM_DEBUG( "\n" ); - /* The kernel's context could be created here, but is now created - * in drm_dma_enqueue. This is more resource-efficient for - * hardware that does not do DMA, but may mean that - * drm_select_queue fails between the time the interrupt is - * initialized and the time the queues are initialized. - */ DRIVER_POSTSETUP(); return 0; } @@ -1112,9 +1100,6 @@ int DRM(lock)( DRM_IOCTL_ARGS ) q = dev->queuelist[lock.context]; #endif -#if __HAVE_DMA_FLUSH - ret = DRM(flush_block_and_flush)( dev, lock.context, lock.flags ); -#endif if ( !ret ) { for (;;) { if ( !dev->lock.hw_lock ) { @@ -1140,18 +1125,9 @@ int DRM(lock)( DRM_IOCTL_ARGS ) } } -#if __HAVE_DMA_FLUSH - DRM(flush_unblock)( dev, lock.context, lock.flags ); /* cleanup phase */ -#endif - if ( !ret ) { /* FIXME: Add signal blocking here */ -#if __HAVE_DMA_READY - if ( lock.flags & _DRM_LOCK_READY ) { - DRIVER_DMA_READY(); - } -#endif #if __HAVE_DMA_QUIESCENT if ( lock.flags & _DRM_LOCK_QUIESCENT ) { DRIVER_DMA_QUIESCENT(); diff --git a/bsd/drm_ioctl.h b/bsd/drm_ioctl.h index bf0083d9..1e2771e9 100644 --- a/bsd/drm_ioctl.h +++ b/bsd/drm_ioctl.h @@ -230,3 +230,9 @@ int DRM(getstats)( DRM_IOCTL_ARGS ) return 0; } + +int DRM(noop)(DRM_IOCTL_ARGS) +{ + DRM_DEBUG("\n"); + return 0; +} diff --git a/bsd/drm_lists.h b/bsd/drm_lists.h deleted file mode 100644 index caac72cc..00000000 --- a/bsd/drm_lists.h +++ /dev/null @@ -1,235 +0,0 @@ -/* drm_lists.h -- Buffer list handling routines -*- linux-c -*- - * Created: Mon Apr 19 20:54:22 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * 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. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * - * $FreeBSD: src/sys/dev/drm/drm_lists.h,v 1.3 2003/03/09 02:08:28 anholt Exp $ - */ - -#include "drmP.h" - -#if __HAVE_DMA_WAITLIST - -int DRM(waitlist_create)(drm_waitlist_t *bl, int count) -{ - if (bl->count) - return DRM_ERR( EINVAL ); - - bl->bufs = DRM(alloc)((bl->count + 2) * sizeof(*bl->bufs), - DRM_MEM_BUFLISTS); - - if(!bl->bufs) return DRM_ERR(ENOMEM); - - bzero(bl->bufs, sizeof(*bl->bufs)); - - bl->count = count; - bl->rp = bl->bufs; - bl->wp = bl->bufs; - bl->end = &bl->bufs[bl->count+1]; - DRM_SPININIT( bl->write_lock, "writelock" ); - DRM_SPININIT( bl->read_lock, "readlock" ); - return 0; -} - -int DRM(waitlist_destroy)(drm_waitlist_t *bl) -{ - if (bl->rp != bl->wp) - return DRM_ERR( EINVAL ); - if (bl->bufs) DRM(free)(bl->bufs, - (bl->count + 2) * sizeof(*bl->bufs), - DRM_MEM_BUFLISTS); - bl->count = 0; - bl->bufs = NULL; - bl->rp = NULL; - bl->wp = NULL; - bl->end = NULL; - DRM_SPINUNINIT( bl->write_lock ); - DRM_SPINUNINIT( bl->read_lock ); - return 0; -} - -int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf) -{ - int left; - int s; - left = DRM_LEFTCOUNT(bl); - if (!left) { - DRM_ERROR("Overflow while adding buffer %d from pid %d\n", - buf->idx, buf->pid); - return DRM_ERR( EINVAL ); - } - buf->list = DRM_LIST_WAIT; - - DRM_SPINLOCK(&bl->write_lock); - s = spldrm(); - *bl->wp = buf; - if (++bl->wp >= bl->end) bl->wp = bl->bufs; - splx(s); - DRM_SPINUNLOCK(&bl->write_lock); - - return 0; -} - -drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl) -{ - drm_buf_t *buf; - int s; - - DRM_SPINLOCK(&bl->read_lock); - s = spldrm(); - buf = *bl->rp; - if (bl->rp == bl->wp) { - splx(s); - DRM_SPINUNLOCK(&bl->read_lock); - return NULL; - } - if (++bl->rp >= bl->end) bl->rp = bl->bufs; - splx(s); - DRM_SPINUNLOCK(&bl->read_lock); - - return buf; -} - -#endif /* __HAVE_DMA_WAITLIST */ - - -#if __HAVE_DMA_FREELIST - -int DRM(freelist_create)(drm_freelist_t *bl, int count) -{ - atomic_set(&bl->count, 0); - bl->next = NULL; - bl->waiting = 0; - - bl->low_mark = 0; - bl->high_mark = 0; - atomic_set(&bl->wfh, 0); - DRM_SPININIT( bl->lock, "freelistlock" ); - ++bl->initialized; - return 0; -} - -int DRM(freelist_destroy)(drm_freelist_t *bl) -{ - atomic_set(&bl->count, 0); - bl->next = NULL; - DRM_SPINUNINIT( bl->lock ); - return 0; -} - -int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) -{ - drm_device_dma_t *dma = dev->dma; - - if (!dma) { - DRM_ERROR("No DMA support\n"); - return 1; - } - - if (buf->waiting || buf->pending || buf->list == DRM_LIST_FREE) { - DRM_ERROR("Freed buffer %d: w%d, p%d, l%d\n", - buf->idx, buf->waiting, buf->pending, buf->list); - } - if (!bl) return 1; - buf->list = DRM_LIST_FREE; - - DRM_SPINLOCK( &bl->lock ); - buf->next = bl->next; - bl->next = buf; - DRM_SPINUNLOCK( &bl->lock ); - - atomic_inc(&bl->count); - if (atomic_read(&bl->count) > dma->buf_count) { - DRM_ERROR("%ld of %d buffers free after addition of %d\n", - (unsigned long)atomic_read(&bl->count), - dma->buf_count, buf->idx); - return 1; - } - /* Check for high water mark */ - if (atomic_read(&bl->wfh) && atomic_read(&bl->count)>=bl->high_mark) { - atomic_set(&bl->wfh, 0); - DRM_WAKEUP_INT((void *)&bl->waiting); - } - return 0; -} - -static drm_buf_t *DRM(freelist_try)(drm_freelist_t *bl) -{ - drm_buf_t *buf; - - if (!bl) return NULL; - - /* Get buffer */ - DRM_SPINLOCK(&bl->lock); - if (!bl->next) { - DRM_SPINUNLOCK(&bl->lock); - return NULL; - } - buf = bl->next; - bl->next = bl->next->next; - DRM_SPINUNLOCK(&bl->lock); - - atomic_dec(&bl->count); - buf->next = NULL; - buf->list = DRM_LIST_NONE; - if (buf->waiting || buf->pending) { - DRM_ERROR("Free buffer %d: w%d, p%d, l%d\n", - buf->idx, buf->waiting, buf->pending, buf->list); - } - - return buf; -} - -drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block) -{ - drm_buf_t *buf = NULL; - int error; - - if (!bl || !bl->initialized) return NULL; - - /* Check for low water mark */ - if (atomic_read(&bl->count) <= bl->low_mark) /* Became low */ - atomic_set(&bl->wfh, 1); - if (atomic_read(&bl->wfh)) { - if (block) { - for (;;) { - if (!atomic_read(&bl->wfh) - && (buf = DRM(freelist_try(bl)))) break; - error = tsleep((void *)&bl->waiting, PZERO|PCATCH, - "drmfg", 0); - if (error) - break; - } - } - return buf; - } - - return DRM(freelist_try)(bl); -} - -#endif /* __HAVE_DMA_FREELIST */ diff --git a/bsd/drm_lock.h b/bsd/drm_lock.h index a859b178..20ad4bff 100644 --- a/bsd/drm_lock.h +++ b/bsd/drm_lock.h @@ -33,18 +33,6 @@ #include "drmP.h" -int DRM(block)( DRM_IOCTL_ARGS ) -{ - DRM_DEBUG("\n"); - return 0; -} - -int DRM(unblock)( DRM_IOCTL_ARGS ) -{ - DRM_DEBUG("\n"); - return 0; -} - int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new; @@ -107,98 +95,3 @@ int DRM(lock_free)(drm_device_t *dev, return 0; } -static int DRM(flush_queue)(drm_device_t *dev, int context) -{ - int error; - int ret = 0; - drm_queue_t *q = dev->queuelist[context]; - - DRM_DEBUG("\n"); - - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) > 1) { - atomic_inc(&q->block_write); - atomic_inc(&q->block_count); - error = tsleep((void *)&q->flush_queue, PZERO|PCATCH, "drmfq", 0); - if (error) - return error; - atomic_dec(&q->block_count); - } - atomic_dec(&q->use_count); - - /* NOTE: block_write is still incremented! - Use drm_flush_unlock_queue to decrement. */ - return ret; -} - -static int DRM(flush_unblock_queue)(drm_device_t *dev, int context) -{ - drm_queue_t *q = dev->queuelist[context]; - - DRM_DEBUG("\n"); - - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) > 1) { - if (atomic_read(&q->block_write)) { - atomic_dec(&q->block_write); - DRM_WAKEUP_INT((void *)&q->write_queue); - } - } - atomic_dec(&q->use_count); - return 0; -} - -int DRM(flush_block_and_flush)(drm_device_t *dev, int context, - drm_lock_flags_t flags) -{ - int ret = 0; - int i; - - DRM_DEBUG("\n"); - - if (flags & _DRM_LOCK_FLUSH) { - ret = DRM(flush_queue)(dev, DRM_KERNEL_CONTEXT); - if (!ret) ret = DRM(flush_queue)(dev, context); - } - if (flags & _DRM_LOCK_FLUSH_ALL) { - for (i = 0; !ret && i < dev->queue_count; i++) { - ret = DRM(flush_queue)(dev, i); - } - } - return ret; -} - -int DRM(flush_unblock)(drm_device_t *dev, int context, drm_lock_flags_t flags) -{ - int ret = 0; - int i; - - DRM_DEBUG("\n"); - - if (flags & _DRM_LOCK_FLUSH) { - ret = DRM(flush_unblock_queue)(dev, DRM_KERNEL_CONTEXT); - if (!ret) ret = DRM(flush_unblock_queue)(dev, context); - } - if (flags & _DRM_LOCK_FLUSH_ALL) { - for (i = 0; !ret && i < dev->queue_count; i++) { - ret = DRM(flush_unblock_queue)(dev, i); - } - } - - return ret; -} - -int DRM(finish)( DRM_IOCTL_ARGS ) -{ - DRM_DEVICE; - int ret = 0; - drm_lock_t lock; - - DRM_DEBUG("\n"); - - DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) ); - - ret = DRM(flush_block_and_flush)(dev, lock.context, lock.flags); - DRM(flush_unblock)(dev, lock.context, lock.flags); - return ret; -} |