diff options
Diffstat (limited to 'drivers/char/drm/i915_dma.c')
-rw-r--r-- | drivers/char/drm/i915_dma.c | 214 |
1 files changed, 98 insertions, 116 deletions
diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index 8e7d713a5a15..e61a43e5b3ac 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -70,7 +70,7 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller) last_head = ring->head; } - return DRM_ERR(EBUSY); + return -EBUSY; } void i915_kernel_lost_context(struct drm_device * dev) @@ -137,7 +137,7 @@ static int i915_initialize(struct drm_device * dev, DRM_ERROR("can not find sarea!\n"); dev->dev_private = (void *)dev_priv; i915_dma_cleanup(dev); - return DRM_ERR(EINVAL); + return -EINVAL; } dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); @@ -145,7 +145,7 @@ static int i915_initialize(struct drm_device * dev, dev->dev_private = (void *)dev_priv; i915_dma_cleanup(dev); DRM_ERROR("can not find mmio map!\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } dev_priv->sarea_priv = (drm_i915_sarea_t *) @@ -169,7 +169,7 @@ static int i915_initialize(struct drm_device * dev, i915_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); - return DRM_ERR(ENOMEM); + return -ENOMEM; } dev_priv->ring.virtual_start = dev_priv->ring.map.handle; @@ -200,7 +200,7 @@ static int i915_initialize(struct drm_device * dev, dev->dev_private = (void *)dev_priv; i915_dma_cleanup(dev); DRM_ERROR("Can not allocate hardware status page\n"); - return DRM_ERR(ENOMEM); + return -ENOMEM; } dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; @@ -221,24 +221,24 @@ static int i915_dma_resume(struct drm_device * dev) if (!dev_priv->sarea) { DRM_ERROR("can not find sarea!\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } if (!dev_priv->mmio_map) { DRM_ERROR("can not find mmio map!\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } if (dev_priv->ring.map.handle == NULL) { DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); - return DRM_ERR(ENOMEM); + return -ENOMEM; } /* Program Hardware Status Page */ if (!dev_priv->hw_status_page) { DRM_ERROR("Can not find hardware status page\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); @@ -251,23 +251,20 @@ static int i915_dma_resume(struct drm_device * dev) return 0; } -static int i915_dma_init(DRM_IOCTL_ARGS) +static int i915_dma_init(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv; - drm_i915_init_t init; + drm_i915_init_t *init = data; int retcode = 0; - DRM_COPY_FROM_USER_IOCTL(init, (drm_i915_init_t __user *) data, - sizeof(init)); - - switch (init.func) { + switch (init->func) { case I915_INIT_DMA: dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER); if (dev_priv == NULL) - return DRM_ERR(ENOMEM); - retcode = i915_initialize(dev, dev_priv, &init); + return -ENOMEM; + retcode = i915_initialize(dev, dev_priv, init); break; case I915_CLEANUP_DMA: retcode = i915_dma_cleanup(dev); @@ -276,7 +273,7 @@ static int i915_dma_init(DRM_IOCTL_ARGS) retcode = i915_dma_resume(dev); break; default: - retcode = DRM_ERR(EINVAL); + retcode = -EINVAL; break; } @@ -366,7 +363,7 @@ static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwor RING_LOCALS; if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8) - return DRM_ERR(EINVAL); + return -EINVAL; BEGIN_LP_RING((dwords+1)&~1); @@ -374,17 +371,17 @@ static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwor int cmd, sz; if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd))) - return DRM_ERR(EINVAL); + return -EINVAL; if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) - return DRM_ERR(EINVAL); + return -EINVAL; OUT_RING(cmd); while (++i, --sz) { if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd))) { - return DRM_ERR(EINVAL); + return -EINVAL; } OUT_RING(cmd); } @@ -407,13 +404,13 @@ static int i915_emit_box(struct drm_device * dev, RING_LOCALS; if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) { - return DRM_ERR(EFAULT); + return -EFAULT; } if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) { DRM_ERROR("Bad box %d,%d..%d,%d\n", box.x1, box.y1, box.x2, box.y2); - return DRM_ERR(EINVAL); + return -EINVAL; } if (IS_I965G(dev)) { @@ -467,7 +464,7 @@ static int i915_dispatch_cmdbuffer(struct drm_device * dev, if (cmd->sz & 0x3) { DRM_ERROR("alignment"); - return DRM_ERR(EINVAL); + return -EINVAL; } i915_kernel_lost_context(dev); @@ -502,7 +499,7 @@ static int i915_dispatch_batchbuffer(struct drm_device * dev, if ((batch->start | batch->used) & 0x7) { DRM_ERROR("alignment"); - return DRM_ERR(EINVAL); + return -EINVAL; } i915_kernel_lost_context(dev); @@ -598,76 +595,69 @@ static int i915_quiescent(struct drm_device * dev) return i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__); } -static int i915_flush_ioctl(DRM_IOCTL_ARGS) +static int i915_flush_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); return i915_quiescent(dev); } -static int i915_batchbuffer(DRM_IOCTL_ARGS) +static int i915_batchbuffer(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; u32 *hw_status = dev_priv->hw_status_page; drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) dev_priv->sarea_priv; - drm_i915_batchbuffer_t batch; + drm_i915_batchbuffer_t *batch = data; int ret; if (!dev_priv->allow_batchbuffer) { DRM_ERROR("Batchbuffer ioctl disabled\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(batch, (drm_i915_batchbuffer_t __user *) data, - sizeof(batch)); - DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n", - batch.start, batch.used, batch.num_cliprects); + batch->start, batch->used, batch->num_cliprects); - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); - if (batch.num_cliprects && DRM_VERIFYAREA_READ(batch.cliprects, - batch.num_cliprects * + if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects, + batch->num_cliprects * sizeof(struct drm_clip_rect))) - return DRM_ERR(EFAULT); + return -EFAULT; - ret = i915_dispatch_batchbuffer(dev, &batch); + ret = i915_dispatch_batchbuffer(dev, batch); sarea_priv->last_dispatch = (int)hw_status[5]; return ret; } -static int i915_cmdbuffer(DRM_IOCTL_ARGS) +static int i915_cmdbuffer(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; u32 *hw_status = dev_priv->hw_status_page; drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) dev_priv->sarea_priv; - drm_i915_cmdbuffer_t cmdbuf; + drm_i915_cmdbuffer_t *cmdbuf = data; int ret; - DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_i915_cmdbuffer_t __user *) data, - sizeof(cmdbuf)); - DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", - cmdbuf.buf, cmdbuf.sz, cmdbuf.num_cliprects); + cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects); - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); - if (cmdbuf.num_cliprects && - DRM_VERIFYAREA_READ(cmdbuf.cliprects, - cmdbuf.num_cliprects * + if (cmdbuf->num_cliprects && + DRM_VERIFYAREA_READ(cmdbuf->cliprects, + cmdbuf->num_cliprects * sizeof(struct drm_clip_rect))) { DRM_ERROR("Fault accessing cliprects\n"); - return DRM_ERR(EFAULT); + return -EFAULT; } - ret = i915_dispatch_cmdbuffer(dev, &cmdbuf); + ret = i915_dispatch_cmdbuffer(dev, cmdbuf); if (ret) { DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); return ret; @@ -677,33 +667,29 @@ static int i915_cmdbuffer(DRM_IOCTL_ARGS) return 0; } -static int i915_flip_bufs(DRM_IOCTL_ARGS) +static int i915_flip_bufs(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - DRM_DEBUG("%s\n", __FUNCTION__); - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); return i915_dispatch_flip(dev); } -static int i915_getparam(DRM_IOCTL_ARGS) +static int i915_getparam(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_getparam_t param; + drm_i915_getparam_t *param = data; int value; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); + return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_getparam_t __user *) data, - sizeof(param)); - - switch (param.param) { + switch (param->param) { case I915_PARAM_IRQ_ACTIVE: value = dev->irq ? 1 : 0; break; @@ -714,68 +700,64 @@ static int i915_getparam(DRM_IOCTL_ARGS) value = READ_BREADCRUMB(dev_priv); break; default: - DRM_ERROR("Unknown parameter %d\n", param.param); - return DRM_ERR(EINVAL); + DRM_ERROR("Unknown parameter %d\n", param->param); + return -EINVAL; } - if (DRM_COPY_TO_USER(param.value, &value, sizeof(int))) { + if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { DRM_ERROR("DRM_COPY_TO_USER failed\n"); - return DRM_ERR(EFAULT); + return -EFAULT; } return 0; } -static int i915_setparam(DRM_IOCTL_ARGS) +static int i915_setparam(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_setparam_t param; + drm_i915_setparam_t *param = data; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); + return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_setparam_t __user *) data, - sizeof(param)); - - switch (param.param) { + switch (param->param) { case I915_SETPARAM_USE_MI_BATCHBUFFER_START: if (!IS_I965G(dev)) - dev_priv->use_mi_batchbuffer_start = param.value; + dev_priv->use_mi_batchbuffer_start = param->value; break; case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: - dev_priv->tex_lru_log_granularity = param.value; + dev_priv->tex_lru_log_granularity = param->value; break; case I915_SETPARAM_ALLOW_BATCHBUFFER: - dev_priv->allow_batchbuffer = param.value; + dev_priv->allow_batchbuffer = param->value; break; default: - DRM_ERROR("unknown parameter %d\n", param.param); - return DRM_ERR(EINVAL); + DRM_ERROR("unknown parameter %d\n", param->param); + return -EINVAL; } return 0; } -static int i915_set_status_page(DRM_IOCTL_ARGS) +static int i915_set_status_page(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_hws_addr_t hws; + drm_i915_hws_addr_t *hws = data; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); + return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(hws, (drm_i915_hws_addr_t __user *) data, - sizeof(hws)); - printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws.addr); - dev_priv->status_gfx_addr = hws.addr & (0x1ffff<<12); + printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws->addr); + + dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12); - dev_priv->hws_map.offset = dev->agp->agp_info.aper_base + hws.addr; + dev_priv->hws_map.offset = dev->agp->agp_info.aper_base + hws->addr; dev_priv->hws_map.size = 4*1024; dev_priv->hws_map.type = 0; dev_priv->hws_map.flags = 0; @@ -788,7 +770,7 @@ static int i915_set_status_page(DRM_IOCTL_ARGS) dev_priv->status_gfx_addr = 0; DRM_ERROR("can not ioremap virtual address for" " G33 hw status page\n"); - return DRM_ERR(ENOMEM); + return -ENOMEM; } dev_priv->hw_status_page = dev_priv->hws_map.handle; @@ -821,32 +803,32 @@ void i915_driver_lastclose(struct drm_device * dev) i915_dma_cleanup(dev); } -void i915_driver_preclose(struct drm_device * dev, DRMFILE filp) +void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) { if (dev->dev_private) { drm_i915_private_t *dev_priv = dev->dev_private; - i915_mem_release(dev, filp, dev_priv->agp_heap); + i915_mem_release(dev, file_priv, dev_priv->agp_heap); } } -drm_ioctl_desc_t i915_ioctls[] = { - [DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_FLIP)] = {i915_flip_bufs, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] = {i915_batchbuffer, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] = {i915_irq_emit, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] = {i915_irq_wait, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_GETPARAM)] = {i915_getparam, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_SETPARAM)] = {i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_I915_ALLOC)] = {i915_mem_alloc, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_I915_SET_VBLANK_PIPE)] = { i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_I915_GET_VBLANK_PIPE)] = { i915_vblank_pipe_get, DRM_AUTH }, - [DRM_IOCTL_NR(DRM_I915_VBLANK_SWAP)] = {i915_vblank_swap, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_HWS_ADDR)] = {i915_set_status_page, DRM_AUTH}, +struct drm_ioctl_desc i915_ioctls[] = { + DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_FLIP, i915_flip_bufs, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_GETPARAM, i915_getparam, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_I915_ALLOC, i915_mem_alloc, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_FREE, i915_mem_free, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), + DRM_IOCTL_DEF(DRM_I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), + DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH ), + DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH), }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); |