From 3dfc1400e9fc58c69292d7cf7c2e1653fa5e6991 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sun, 6 May 2007 11:35:11 +1000 Subject: [PATCH] drm/ttm: cleanup most of fence ioctl split out --- libdrm/xf86drm.c | 35 +++--- linux-core/drm_drv.c | 13 +- linux-core/drm_fence.c | 310 +++++++++++++++++++++++++++++++++++++++++++++++ linux-core/drm_objects.h | 10 +- shared-core/drm.h | 38 +++--- 5 files changed, 362 insertions(+), 44 deletions(-) diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index bee5082..e0d20ee 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -2272,8 +2272,7 @@ int drmFenceCreate(int fd, unsigned flags, int class, unsigned type, arg.flags = flags; arg.type = type; arg.class = class; - arg.op = drm_fence_create; - if (ioctl(fd, DRM_IOCTL_FENCE, &arg)) + if (ioctl(fd, DRM_IOCTL_FENCE_CREATE, &arg)) return -errno; fence->handle = arg.handle; fence->class = arg.class; @@ -2295,8 +2294,8 @@ int drmFenceBuffers(int fd, unsigned flags, drmFence *fence) memset(&arg, 0, sizeof(arg)); arg.flags = flags; - arg.op = drm_fence_buffers; - if (ioctl(fd, DRM_IOCTL_FENCE, &arg)) + + if (ioctl(fd, DRM_IOCTL_FENCE_BUFFERS, &arg)) return -errno; fence->handle = arg.handle; fence->class = arg.class; @@ -2312,8 +2311,8 @@ int drmFenceDestroy(int fd, const drmFence *fence) memset(&arg, 0, sizeof(arg)); arg.handle = fence->handle; - arg.op = drm_fence_destroy; - if (ioctl(fd, DRM_IOCTL_FENCE, &arg)) + + if (ioctl(fd, DRM_IOCTL_FENCE_DESTROY, &arg)) return -errno; return 0; } @@ -2324,8 +2323,8 @@ int drmFenceReference(int fd, unsigned handle, drmFence *fence) memset(&arg, 0, sizeof(arg)); arg.handle = handle; - arg.op = drm_fence_reference; - if (ioctl(fd, DRM_IOCTL_FENCE, &arg)) + + if (ioctl(fd, DRM_IOCTL_FENCE_REFERENCE, &arg)) return -errno; fence->handle = arg.handle; fence->class = arg.class; @@ -2341,8 +2340,8 @@ int drmFenceUnreference(int fd, const drmFence *fence) memset(&arg, 0, sizeof(arg)); arg.handle = fence->handle; - arg.op = drm_fence_unreference; - if (ioctl(fd, DRM_IOCTL_FENCE, &arg)) + + if (ioctl(fd, DRM_IOCTL_FENCE_UNREFERENCE, &arg)) return -errno; return 0; } @@ -2354,8 +2353,8 @@ int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type) memset(&arg, 0, sizeof(arg)); arg.handle = fence->handle; arg.type = flush_type; - arg.op = drm_fence_flush; - if (ioctl(fd, DRM_IOCTL_FENCE, &arg)) + + if (ioctl(fd, DRM_IOCTL_FENCE_FLUSH, &arg)) return -errno; fence->class = arg.class; fence->type = arg.type; @@ -2369,8 +2368,8 @@ int drmFenceUpdate(int fd, drmFence *fence) memset(&arg, 0, sizeof(arg)); arg.handle = fence->handle; - arg.op = drm_fence_signaled; - if (ioctl(fd, DRM_IOCTL_FENCE, &arg)) + + if (ioctl(fd, DRM_IOCTL_FENCE_SIGNALED, &arg)) return -errno; fence->class = arg.class; fence->type = arg.type; @@ -2413,8 +2412,8 @@ int drmFenceEmit(int fd, unsigned flags, drmFence *fence, unsigned emit_type) arg.flags = flags; arg.handle = fence->handle; arg.type = emit_type; - arg.op = drm_fence_emit; - if (ioctl(fd, DRM_IOCTL_FENCE, &arg)) + + if (ioctl(fd, DRM_IOCTL_FENCE_EMIT, &arg)) return -errno; fence->class = arg.class; fence->type = arg.type; @@ -2447,9 +2446,9 @@ int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type) arg.handle = fence->handle; arg.type = flush_type; arg.flags = flags; - arg.op = drm_fence_wait; + do { - ret = ioctl(fd, DRM_IOCTL_FENCE, &arg); + ret = ioctl(fd, DRM_IOCTL_FENCE_WAIT, &arg); } while (ret != 0 && errno == EAGAIN); if (ret) diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index 0ee5062..adba8f9 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -117,7 +117,7 @@ static drm_ioctl_desc_t drm_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_FENCE)] = {drm_fence_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_BUFOBJ)] = {drm_bo_ioctl, DRM_AUTH}, [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, @@ -131,6 +131,17 @@ static drm_ioctl_desc_t drm_ioctls[] = { DRM_AUTH }, [DRM_IOCTL_NR(DRM_IOCTL_MM_UNLOCK)] = {drm_mm_unlock_ioctl, DRM_AUTH }, + + [DRM_IOCTL_NR(DRM_IOCTL_FENCE_CREATE)] = {drm_fence_create_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_FENCE_DESTROY)] = {drm_fence_destroy_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_FENCE_REFERENCE)] = {drm_fence_reference_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_FENCE_UNREFERENCE)] = {drm_fence_unreference_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_FENCE_SIGNALED)] = {drm_fence_signaled_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_FENCE_FLUSH)] = {drm_fence_flush_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_FENCE_WAIT)] = {drm_fence_wait_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_FENCE_EMIT)] = {drm_fence_emit_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_FENCE_BUFFERS)] = {drm_fence_buffers_ioctl, DRM_AUTH}, + }; #define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls ) diff --git a/linux-core/drm_fence.c b/linux-core/drm_fence.c index ce161dc..fe11e87 100644 --- a/linux-core/drm_fence.c +++ b/linux-core/drm_fence.c @@ -659,3 +659,313 @@ int drm_fence_ioctl(DRM_IOCTL_ARGS) DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); return ret; } + +int drm_fence_create_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + int ret; + drm_fence_manager_t *fm = &dev->fm; + drm_fence_arg_t arg; + drm_fence_object_t *fence; + unsigned long flags; + ret = 0; + + if (!fm->initialized) { + DRM_ERROR("The DRM driver does not support fencing.\n"); + return -EINVAL; + } + + DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); + + if (arg.flags & DRM_FENCE_FLAG_EMIT) + LOCK_TEST_WITH_RETURN(dev, filp); + ret = drm_fence_object_create(dev, arg.class, + arg.type, arg.flags, &fence); + if (ret) + return ret; + ret = drm_fence_add_user_object(priv, fence, + arg.flags & + DRM_FENCE_FLAG_SHAREABLE); + if (ret) { + drm_fence_usage_deref_unlocked(dev, fence); + return ret; + } + + /* + * usage > 0. No need to lock dev->struct_mutex; + */ + + atomic_inc(&fence->usage); + arg.handle = fence->base.hash.key; + + read_lock_irqsave(&fm->lock, flags); + arg.class = fence->class; + arg.type = fence->type; + arg.signaled = fence->signaled; + read_unlock_irqrestore(&fm->lock, flags); + drm_fence_usage_deref_unlocked(dev, fence); + + DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); + return ret; +} + +int drm_fence_destroy_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + int ret; + drm_fence_manager_t *fm = &dev->fm; + drm_fence_arg_t arg; + drm_user_object_t *uo; + ret = 0; + + if (!fm->initialized) { + DRM_ERROR("The DRM driver does not support fencing.\n"); + return -EINVAL; + } + + DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); + + mutex_lock(&dev->struct_mutex); + uo = drm_lookup_user_object(priv, arg.handle); + if (!uo || (uo->type != drm_fence_type) || uo->owner != priv) { + mutex_unlock(&dev->struct_mutex); + return -EINVAL; + } + ret = drm_remove_user_object(priv, uo); + mutex_unlock(&dev->struct_mutex); + return ret; +} + + +int drm_fence_reference_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + int ret; + drm_fence_manager_t *fm = &dev->fm; + drm_fence_arg_t arg; + drm_fence_object_t *fence; + drm_user_object_t *uo; + unsigned long flags; + ret = 0; + + if (!fm->initialized) { + DRM_ERROR("The DRM driver does not support fencing.\n"); + return -EINVAL; + } + + DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); + ret = drm_user_object_ref(priv, arg.handle, drm_fence_type, &uo); + if (ret) + return ret; + fence = drm_lookup_fence_object(priv, arg.handle); + + read_lock_irqsave(&fm->lock, flags); + arg.class = fence->class; + arg.type = fence->type; + arg.signaled = fence->signaled; + read_unlock_irqrestore(&fm->lock, flags); + drm_fence_usage_deref_unlocked(dev, fence); + + DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); + return ret; +} + + +int drm_fence_unreference_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + int ret; + drm_fence_manager_t *fm = &dev->fm; + drm_fence_arg_t arg; + ret = 0; + + if (!fm->initialized) { + DRM_ERROR("The DRM driver does not support fencing.\n"); + return -EINVAL; + } + + DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); + return drm_user_object_unref(priv, arg.handle, drm_fence_type); +} + +int drm_fence_signaled_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + int ret; + drm_fence_manager_t *fm = &dev->fm; + drm_fence_arg_t arg; + drm_fence_object_t *fence; + unsigned long flags; + ret = 0; + + if (!fm->initialized) { + DRM_ERROR("The DRM driver does not support fencing.\n"); + return -EINVAL; + } + + DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); + + fence = drm_lookup_fence_object(priv, arg.handle); + if (!fence) + return -EINVAL; + + read_lock_irqsave(&fm->lock, flags); + arg.class = fence->class; + arg.type = fence->type; + arg.signaled = fence->signaled; + read_unlock_irqrestore(&fm->lock, flags); + drm_fence_usage_deref_unlocked(dev, fence); + + DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); + return ret; +} + +int drm_fence_flush_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + int ret; + drm_fence_manager_t *fm = &dev->fm; + drm_fence_arg_t arg; + drm_fence_object_t *fence; + unsigned long flags; + ret = 0; + + if (!fm->initialized) { + DRM_ERROR("The DRM driver does not support fencing.\n"); + return -EINVAL; + } + + DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); + + fence = drm_lookup_fence_object(priv, arg.handle); + if (!fence) + return -EINVAL; + ret = drm_fence_object_flush(dev, fence, arg.type); + + read_lock_irqsave(&fm->lock, flags); + arg.class = fence->class; + arg.type = fence->type; + arg.signaled = fence->signaled; + read_unlock_irqrestore(&fm->lock, flags); + drm_fence_usage_deref_unlocked(dev, fence); + + DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); + return ret; +} + + +int drm_fence_wait_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + int ret; + drm_fence_manager_t *fm = &dev->fm; + drm_fence_arg_t arg; + drm_fence_object_t *fence; + unsigned long flags; + ret = 0; + + if (!fm->initialized) { + DRM_ERROR("The DRM driver does not support fencing.\n"); + return -EINVAL; + } + + DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); + + fence = drm_lookup_fence_object(priv, arg.handle); + if (!fence) + return -EINVAL; + ret = drm_fence_object_wait(dev, fence, + arg.flags & DRM_FENCE_FLAG_WAIT_LAZY, + 0, arg.type); + + read_lock_irqsave(&fm->lock, flags); + arg.class = fence->class; + arg.type = fence->type; + arg.signaled = fence->signaled; + read_unlock_irqrestore(&fm->lock, flags); + drm_fence_usage_deref_unlocked(dev, fence); + + DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); + return ret; +} + + +int drm_fence_emit_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + int ret; + drm_fence_manager_t *fm = &dev->fm; + drm_fence_arg_t arg; + drm_fence_object_t *fence; + unsigned long flags; + ret = 0; + + if (!fm->initialized) { + DRM_ERROR("The DRM driver does not support fencing.\n"); + return -EINVAL; + } + + DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); + + LOCK_TEST_WITH_RETURN(dev, filp); + fence = drm_lookup_fence_object(priv, arg.handle); + if (!fence) + return -EINVAL; + ret = drm_fence_object_emit(dev, fence, arg.flags, arg.class, + arg.type); + + read_lock_irqsave(&fm->lock, flags); + arg.class = fence->class; + arg.type = fence->type; + arg.signaled = fence->signaled; + read_unlock_irqrestore(&fm->lock, flags); + drm_fence_usage_deref_unlocked(dev, fence); + + DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); + return ret; +} + +int drm_fence_buffers_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + int ret; + drm_fence_manager_t *fm = &dev->fm; + drm_fence_arg_t arg; + drm_fence_object_t *fence; + unsigned long flags; + ret = 0; + + if (!fm->initialized) { + DRM_ERROR("The DRM driver does not support fencing.\n"); + return -EINVAL; + } + + DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); + + if (!dev->bm.initialized) { + DRM_ERROR("Buffer object manager is not initialized\n"); + return -EINVAL; + } + LOCK_TEST_WITH_RETURN(dev, filp); + ret = drm_fence_buffer_objects(priv, NULL, arg.flags, + NULL, &fence); + if (ret) + return ret; + ret = drm_fence_add_user_object(priv, fence, + arg.flags & + DRM_FENCE_FLAG_SHAREABLE); + if (ret) + return ret; + atomic_inc(&fence->usage); + arg.handle = fence->base.hash.key; + + read_lock_irqsave(&fm->lock, flags); + arg.class = fence->class; + arg.type = fence->type; + arg.signaled = fence->signaled; + read_unlock_irqrestore(&fm->lock, flags); + drm_fence_usage_deref_unlocked(dev, fence); + + DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); + return ret; +} diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h index 7f9c8c3..9576f28 100644 --- a/linux-core/drm_objects.h +++ b/linux-core/drm_objects.h @@ -211,8 +211,16 @@ extern int drm_fence_object_create(struct drm_device *dev, uint32_t type, drm_fence_object_t ** c_fence); extern int drm_fence_add_user_object(drm_file_t * priv, drm_fence_object_t * fence, int shareable); -extern int drm_fence_ioctl(DRM_IOCTL_ARGS); +extern int drm_fence_create_ioctl(DRM_IOCTL_ARGS); +extern int drm_fence_destroy_ioctl(DRM_IOCTL_ARGS); +extern int drm_fence_reference_ioctl(DRM_IOCTL_ARGS); +extern int drm_fence_unreference_ioctl(DRM_IOCTL_ARGS); +extern int drm_fence_signaled_ioctl(DRM_IOCTL_ARGS); +extern int drm_fence_flush_ioctl(DRM_IOCTL_ARGS); +extern int drm_fence_wait_ioctl(DRM_IOCTL_ARGS); +extern int drm_fence_emit_ioctl(DRM_IOCTL_ARGS); +extern int drm_fence_buffers_ioctl(DRM_IOCTL_ARGS); /************************************************** *TTMs */ diff --git a/shared-core/drm.h b/shared-core/drm.h index d561a08..9810321 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -677,17 +677,6 @@ typedef struct drm_fence_arg { unsigned flags; unsigned signaled; unsigned expand_pad[4]; /*Future expansion */ - enum { - drm_fence_create, - drm_fence_destroy, - drm_fence_reference, - drm_fence_unreference, - drm_fence_signaled, - drm_fence_flush, - drm_fence_wait, - drm_fence_emit, - drm_fence_buffers - } op; } drm_fence_arg_t; /* Buffer permissions, referring to how the GPU uses the buffers. @@ -954,19 +943,20 @@ typedef struct drm_mm_init_arg { #define DRM_IOCTL_FENCE_SIGNALED DRM_IOWR(0xc8, drm_fence_arg_t) #define DRM_IOCTL_FENCE_FLUSH DRM_IOWR(0xc9, drm_fence_arg_t) #define DRM_IOCTL_FENCE_WAIT DRM_IOWR(0xca, drm_fence_arg_t) -#define DRM_IOCTL_FENCE_BUFFERS DRM_IOWR(0xcb, drm_fence_arg_t) - -#define DRM_IOCTL_BO_CREATE DRM_IOWR(0xcc, drm_bo_arg_t) -#define DRM_IOCTL_BO_DESTROY DRM_IOWR(0xcd, drm_bo_arg_t) -#define DRM_IOCTL_BO_MAP DRM_IOWR(0xce, drm_bo_arg_t) -#define DRM_IOCTL_BO_UNMAP DRM_IOWR(0xcf, drm_bo_arg_t) -#define DRM_IOCTL_BO_REFERENCE DRM_IOWR(0xd0, drm_bo_arg_t) -#define DRM_IOCTL_BO_UNREFERENCE DRM_IOWR(0xd1, drm_bo_arg_t) -#define DRM_IOCTL_BO_VALIDATE DRM_IOWR(0xd2, drm_bo_arg_t) -#define DRM_IOCTL_BO_FENCE DRM_IOWR(0xd3, drm_bo_arg_t) -#define DRM_IOCTL_BO_INFO DRM_IOWR(0xd4, drm_bo_arg_t) -#define DRM_IOCTL_BO_WAIT_IDLE DRM_IOWR(0xd5, drm_bo_arg_t) -#define DRM_IOCTL_BO_REF_FENCE DRM_IOWR(0xd6, drm_bo_arg_t) +#define DRM_IOCTL_FENCE_EMIT DRM_IOWR(0xcb, drm_fence_arg_t) +#define DRM_IOCTL_FENCE_BUFFERS DRM_IOWR(0xcc, drm_fence_arg_t) + +#define DRM_IOCTL_BO_CREATE DRM_IOWR(0xcd, drm_bo_arg_t) +#define DRM_IOCTL_BO_DESTROY DRM_IOWR(0xce, drm_bo_arg_t) +#define DRM_IOCTL_BO_MAP DRM_IOWR(0xcf, drm_bo_arg_t) +#define DRM_IOCTL_BO_UNMAP DRM_IOWR(0xd0, drm_bo_arg_t) +#define DRM_IOCTL_BO_REFERENCE DRM_IOWR(0xd1, drm_bo_arg_t) +#define DRM_IOCTL_BO_UNREFERENCE DRM_IOWR(0xd2, drm_bo_arg_t) +#define DRM_IOCTL_BO_VALIDATE DRM_IOWR(0xd3, drm_bo_arg_t) +#define DRM_IOCTL_BO_FENCE DRM_IOWR(0xd4, drm_bo_arg_t) +#define DRM_IOCTL_BO_INFO DRM_IOWR(0xd5, drm_bo_arg_t) +#define DRM_IOCTL_BO_WAIT_IDLE DRM_IOWR(0xd6, drm_bo_arg_t) +#define DRM_IOCTL_BO_REF_FENCE DRM_IOWR(0xd7, drm_bo_arg_t) /*@}*/ -- 2.7.4