From 5b38e134163cc375e91424c4688cc9328c6e9082 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 19 Jul 2007 17:11:11 -0700 Subject: Replace DRM_IOCTL_ARGS with (dev, data, file_priv) and remove DRM_DEVICE. The data is now in kernel space, copied in/out as appropriate according to the This results in DRM_COPY_{TO,FROM}_USER going away, and error paths to deal with those failures. This also means that XFree86 4.2.0 support for i810 DRM is lost. --- shared-core/i915_dma.c | 174 +++++++++++++++++++++---------------------------- 1 file changed, 76 insertions(+), 98 deletions(-) (limited to 'shared-core/i915_dma.c') diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 05336d35..5d227d8b 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -250,23 +250,20 @@ 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 -ENOMEM; - retcode = i915_initialize(dev, dev_priv, &init); + retcode = i915_initialize(dev, dev_priv, init); break; case I915_CLEANUP_DMA: retcode = i915_dma_cleanup(dev); @@ -358,7 +355,8 @@ static int validate_cmd(int cmd) return ret; } -static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwords) +static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, + int dwords) { drm_i915_private_t *dev_priv = dev->dev_private; int i; @@ -650,22 +648,22 @@ 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, 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; 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) { @@ -673,51 +671,45 @@ static int i915_batchbuffer(DRM_IOCTL_ARGS) 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, file_priv); - if (batch.num_cliprects && DRM_VERIFYAREA_READ(batch.cliprects, - batch.num_cliprects * - sizeof(struct drm_clip_rect))) + if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects, + batch->num_cliprects * + sizeof(struct drm_clip_rect))) return -EFAULT; - ret = i915_dispatch_batchbuffer(dev, &batch); + ret = i915_dispatch_batchbuffer(dev, batch); sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); 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; 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, 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 -EFAULT; } - ret = i915_dispatch_cmdbuffer(dev, &cmdbuf); + ret = i915_dispatch_cmdbuffer(dev, cmdbuf); if (ret) { DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); return ret; @@ -749,35 +741,31 @@ static int i915_do_cleanup_pageflip(struct drm_device * dev) 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_i915_flip_t param; + drm_i915_flip_t *param = data; DRM_DEBUG("%s\n", __FUNCTION__); LOCK_TEST_WITH_RETURN(dev, file_priv); - DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_flip_t __user *) data, - sizeof(param)); - - if (param.pipes & ~0x3) { + if (param->pipes & ~0x3) { DRM_ERROR("Invalid pipes 0x%x, only <= 0x3 is valid\n", - param.pipes); + param->pipes); return -EINVAL; } - i915_dispatch_flip(dev, param.pipes, 0); + i915_dispatch_flip(dev, param->pipes, 0); return 0; } -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) { @@ -785,10 +773,7 @@ static int i915_getparam(DRM_IOCTL_ARGS) 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; @@ -799,11 +784,11 @@ static int i915_getparam(DRM_IOCTL_ARGS) value = READ_BREADCRUMB(dev_priv); break; default: - DRM_ERROR("Unknown parameter %d\n", param.param); + 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 -EFAULT; } @@ -811,32 +796,29 @@ static int i915_getparam(DRM_IOCTL_ARGS) 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 -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: - 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); + DRM_ERROR("unknown parameter %d\n", param->param); return -EINVAL; } @@ -853,13 +835,13 @@ drm_i915_mmio_entry_t mmio_table[] = { static int mmio_table_size = sizeof(mmio_table)/sizeof(drm_i915_mmio_entry_t); -static int i915_mmio(DRM_IOCTL_ARGS) +static int i915_mmio(struct drm_device *dev, void *data, + struct drm_file *file_priv) { uint32_t buf[8]; - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_mmio_entry_t *e; - drm_i915_mmio_t mmio; + drm_i915_mmio_t *mmio = data; void __iomem *base; int i; @@ -867,22 +849,20 @@ static int i915_mmio(DRM_IOCTL_ARGS) DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(mmio, (drm_i915_mmio_t __user *) data, - sizeof(mmio)); - if (mmio.reg >= mmio_table_size) + if (mmio->reg >= mmio_table_size) return -EINVAL; - e = &mmio_table[mmio.reg]; + e = &mmio_table[mmio->reg]; base = (u8 *) dev_priv->mmio_map->handle + e->offset; - switch (mmio.read_write) { + switch (mmio->read_write) { case I915_MMIO_READ: if (!(e->flag & I915_MMIO_MAY_READ)) return -EINVAL; for (i = 0; i < e->size / 4; i++) buf[i] = I915_READ(e->offset + i * 4); - if (DRM_COPY_TO_USER(mmio.data, buf, e->size)) { + if (DRM_COPY_TO_USER(mmio->data, buf, e->size)) { DRM_ERROR("DRM_COPY_TO_USER failed\n"); return -EFAULT; } @@ -891,7 +871,7 @@ static int i915_mmio(DRM_IOCTL_ARGS) case I915_MMIO_WRITE: if (!(e->flag & I915_MMIO_MAY_WRITE)) return -EINVAL; - if(DRM_COPY_FROM_USER(buf, mmio.data, e->size)) { + if(DRM_COPY_FROM_USER(buf, mmio->data, e->size)) { DRM_ERROR("DRM_COPY_TO_USER failed\n"); return -EFAULT; } @@ -902,23 +882,21 @@ static int i915_mmio(DRM_IOCTL_ARGS) 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 -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(hws, (drm_i915_hws_addr_t __user *) data, - sizeof(hws)); - DRM_DEBUG("set status page addr 0x%08x\n", (u32)hws.addr); + DRM_DEBUG("set status page addr 0x%08x\n", (u32)hws->addr); - dev_priv->status_gfx_addr = hws.addr & (0x1ffff<<12); + dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12); - dev_priv->hws_map.offset = dev->agp->base + hws.addr; + dev_priv->hws_map.offset = dev->agp->base + hws->addr; dev_priv->hws_map.size = 4*1024; dev_priv->hws_map.type = 0; dev_priv->hws_map.flags = 0; @@ -974,24 +952,24 @@ void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) } struct drm_ioctl_desc 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_MMIO)] = {i915_mmio, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_HWS_ADDR)] = {i915_set_status_page, DRM_AUTH}, + 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_MMIO, i915_mmio, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH), }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); -- cgit v1.2.3