diff options
Diffstat (limited to 'linux-core/i915_ioc32.c')
| -rw-r--r-- | linux-core/i915_ioc32.c | 89 |
1 files changed, 75 insertions, 14 deletions
diff --git a/linux-core/i915_ioc32.c b/linux-core/i915_ioc32.c index c1e776b7..0b8fff19 100644 --- a/linux-core/i915_ioc32.c +++ b/linux-core/i915_ioc32.c @@ -3,7 +3,7 @@ * * 32-bit ioctl compatibility routines for the i915 DRM. * - * \author Alan Hourihane <alanh@fairlite.demon.co.uk> + * \author Alan Hourihane <alanh@fairlite.demon.co.uk> * * * Copyright (C) Paul Mackerras 2005 @@ -34,6 +34,7 @@ #include "drmP.h" #include "drm.h" #include "i915_drm.h" +#include "i915_drv.h" typedef struct _drm_i915_batchbuffer32 { int start; /* agp offset */ @@ -45,15 +46,15 @@ typedef struct _drm_i915_batchbuffer32 { } drm_i915_batchbuffer32_t; static int compat_i915_batchbuffer(struct file *file, unsigned int cmd, - unsigned long arg) + unsigned long arg) { drm_i915_batchbuffer32_t batchbuffer32; drm_i915_batchbuffer_t __user *batchbuffer; - + if (copy_from_user (&batchbuffer32, (void __user *)arg, sizeof(batchbuffer32))) return -EFAULT; - + batchbuffer = compat_alloc_user_space(sizeof(*batchbuffer)); if (!access_ok(VERIFY_WRITE, batchbuffer, sizeof(*batchbuffer)) || __put_user(batchbuffer32.start, &batchbuffer->start) @@ -65,7 +66,7 @@ static int compat_i915_batchbuffer(struct file *file, unsigned int cmd, || __put_user((int __user *)(unsigned long)batchbuffer32.cliprects, &batchbuffer->cliprects)) return -EFAULT; - + return drm_ioctl(file->f_dentry->d_inode, file, DRM_IOCTL_I915_BATCHBUFFER, (unsigned long) batchbuffer); @@ -81,15 +82,15 @@ typedef struct _drm_i915_cmdbuffer32 { } drm_i915_cmdbuffer32_t; static int compat_i915_cmdbuffer(struct file *file, unsigned int cmd, - unsigned long arg) + unsigned long arg) { drm_i915_cmdbuffer32_t cmdbuffer32; drm_i915_cmdbuffer_t __user *cmdbuffer; - + if (copy_from_user (&cmdbuffer32, (void __user *)arg, sizeof(cmdbuffer32))) return -EFAULT; - + cmdbuffer = compat_alloc_user_space(sizeof(*cmdbuffer)); if (!access_ok(VERIFY_WRITE, cmdbuffer, sizeof(*cmdbuffer)) || __put_user((int __user *)(unsigned long)cmdbuffer32.buf, @@ -101,7 +102,7 @@ static int compat_i915_cmdbuffer(struct file *file, unsigned int cmd, || __put_user((int __user *)(unsigned long)cmdbuffer32.cliprects, &cmdbuffer->cliprects)) return -EFAULT; - + return drm_ioctl(file->f_dentry->d_inode, file, DRM_IOCTL_I915_CMDBUFFER, (unsigned long) cmdbuffer); } @@ -111,7 +112,7 @@ typedef struct drm_i915_irq_emit32 { } drm_i915_irq_emit32_t; static int compat_i915_irq_emit(struct file *file, unsigned int cmd, - unsigned long arg) + unsigned long arg) { drm_i915_irq_emit32_t req32; drm_i915_irq_emit_t __user *request; @@ -134,7 +135,7 @@ typedef struct drm_i915_getparam32 { } drm_i915_getparam32_t; static int compat_i915_getparam(struct file *file, unsigned int cmd, - unsigned long arg) + unsigned long arg) { drm_i915_getparam32_t req32; drm_i915_getparam_t __user *request; @@ -161,7 +162,7 @@ typedef struct drm_i915_mem_alloc32 { } drm_i915_mem_alloc32_t; static int compat_i915_alloc(struct file *file, unsigned int cmd, - unsigned long arg) + unsigned long arg) { drm_i915_mem_alloc32_t req32; drm_i915_mem_alloc_t __user *request; @@ -182,13 +183,73 @@ static int compat_i915_alloc(struct file *file, unsigned int cmd, DRM_IOCTL_I915_ALLOC, (unsigned long) request); } +typedef struct drm_i915_execbuffer32 { + uint64_t ops_list; + uint32_t num_buffers; + struct _drm_i915_batchbuffer32 batch; + drm_context_t context; + struct drm_fence_arg fence_arg; +} drm_i915_execbuffer32_t; + +static int compat_i915_execbuffer(struct file *file, unsigned int cmd, + unsigned long arg) +{ + drm_i915_execbuffer32_t req32; + struct drm_i915_execbuffer __user *request; + int err; + + if (copy_from_user(&req32, (void __user *) arg, sizeof(req32))) + return -EFAULT; + + request = compat_alloc_user_space(sizeof(*request)); + + if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) + || __put_user(req32.ops_list, &request->ops_list) + || __put_user(req32.num_buffers, &request->num_buffers) + || __put_user(req32.context, &request->context) + || __copy_to_user(&request->fence_arg, &req32.fence_arg, + sizeof(req32.fence_arg)) + || __put_user(req32.batch.start, &request->batch.start) + || __put_user(req32.batch.used, &request->batch.used) + || __put_user(req32.batch.DR1, &request->batch.DR1) + || __put_user(req32.batch.DR4, &request->batch.DR4) + || __put_user(req32.batch.num_cliprects, + &request->batch.num_cliprects) + || __put_user((int __user *)(unsigned long)req32.batch.cliprects, + &request->batch.cliprects)) + return -EFAULT; + + err = drm_ioctl(file->f_dentry->d_inode, file, + DRM_IOCTL_I915_EXECBUFFER, (unsigned long)request); + + if (err) + return err; + + if (__get_user(req32.fence_arg.handle, &request->fence_arg.handle) + || __get_user(req32.fence_arg.fence_class, &request->fence_arg.fence_class) + || __get_user(req32.fence_arg.type, &request->fence_arg.type) + || __get_user(req32.fence_arg.flags, &request->fence_arg.flags) + || __get_user(req32.fence_arg.signaled, &request->fence_arg.signaled) + || __get_user(req32.fence_arg.error, &request->fence_arg.error) + || __get_user(req32.fence_arg.sequence, &request->fence_arg.sequence)) + return -EFAULT; + + if (copy_to_user((void __user *)arg, &req32, sizeof(req32))) + return -EFAULT; + + return 0; +} + drm_ioctl_compat_t *i915_compat_ioctls[] = { [DRM_I915_BATCHBUFFER] = compat_i915_batchbuffer, [DRM_I915_CMDBUFFER] = compat_i915_cmdbuffer, [DRM_I915_GETPARAM] = compat_i915_getparam, [DRM_I915_IRQ_EMIT] = compat_i915_irq_emit, - [DRM_I915_ALLOC] = compat_i915_alloc + [DRM_I915_ALLOC] = compat_i915_alloc, +#ifdef I915_HAVE_BUFFER + [DRM_I915_EXECBUFFER] = compat_i915_execbuffer, +#endif }; /** @@ -208,7 +269,7 @@ long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (nr < DRM_COMMAND_BASE) return drm_compat_ioctl(filp, cmd, arg); - + if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(i915_compat_ioctls)) fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE]; |