X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fi915_ioc32.c;h=296248cdc767e50cc2cdd1c0f40a6deedf4b299e;hb=23e735bc7b0e1d614656881794257b4224efda3a;hp=fe009e1b3a3f917c76c0084199338499d364d590;hpb=08cd84c81f27d5bd22ba958b7cae6d566c509280;p=cascardo%2Flinux.git diff --git a/drivers/char/drm/i915_ioc32.c b/drivers/char/drm/i915_ioc32.c index fe009e1b3a3f..296248cdc767 100644 --- a/drivers/char/drm/i915_ioc32.c +++ b/drivers/char/drm/i915_ioc32.c @@ -3,7 +3,7 @@ * * 32-bit ioctl compatibility routines for the i915 DRM. * - * \author Alan Hourihane + * \author Alan Hourihane * * * Copyright (C) Paul Mackerras 2005 @@ -30,7 +30,6 @@ * IN THE SOFTWARE. */ #include -#include #include "drmP.h" #include "drm.h" @@ -42,51 +41,55 @@ typedef struct _drm_i915_batchbuffer32 { int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ int num_cliprects; /* mulitpass with multiple cliprects? */ - u32 cliprects; /* pointer to userspace cliprects */ + u32 cliprects; /* pointer to userspace cliprects */ } 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))) + + 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) || __put_user(batchbuffer32.used, &batchbuffer->used) || __put_user(batchbuffer32.DR1, &batchbuffer->DR1) || __put_user(batchbuffer32.DR4, &batchbuffer->DR4) - || __put_user(batchbuffer32.num_cliprects, &batchbuffer->num_cliprects) + || __put_user(batchbuffer32.num_cliprects, + &batchbuffer->num_cliprects) || __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); + DRM_IOCTL_I915_BATCHBUFFER, + (unsigned long)batchbuffer); } typedef struct _drm_i915_cmdbuffer32 { - u32 buf; /* pointer to userspace command buffer */ + u32 buf; /* pointer to userspace command buffer */ int sz; /* nr bytes in buf */ int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ int num_cliprects; /* mulitpass with multiple cliprects? */ - u32 cliprects; /* pointer to userspace cliprects */ + u32 cliprects; /* pointer to userspace cliprects */ } 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))) + + 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, @@ -98,9 +101,9 @@ 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); + DRM_IOCTL_I915_CMDBUFFER, (unsigned long)cmdbuffer); } typedef struct drm_i915_irq_emit32 { @@ -108,12 +111,12 @@ 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; - if (copy_from_user(&req32, (void __user *) arg, sizeof(req32))) + if (copy_from_user(&req32, (void __user *)arg, sizeof(req32))) return -EFAULT; request = compat_alloc_user_space(sizeof(*request)); @@ -123,7 +126,7 @@ static int compat_i915_irq_emit(struct file *file, unsigned int cmd, return -EFAULT; return drm_ioctl(file->f_dentry->d_inode, file, - DRM_IOCTL_I915_IRQ_EMIT, (unsigned long) request); + DRM_IOCTL_I915_IRQ_EMIT, (unsigned long)request); } typedef struct drm_i915_getparam32 { int param; @@ -131,12 +134,12 @@ 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; - if (copy_from_user(&req32, (void __user *) arg, sizeof(req32))) + if (copy_from_user(&req32, (void __user *)arg, sizeof(req32))) return -EFAULT; request = compat_alloc_user_space(sizeof(*request)); @@ -147,7 +150,7 @@ static int compat_i915_getparam(struct file *file, unsigned int cmd, return -EFAULT; return drm_ioctl(file->f_dentry->d_inode, file, - DRM_IOCTL_I915_GETPARAM, (unsigned long) request); + DRM_IOCTL_I915_GETPARAM, (unsigned long)request); } typedef struct drm_i915_mem_alloc32 { @@ -158,12 +161,12 @@ 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; - if (copy_from_user(&req32, (void __user *) arg, sizeof(req32))) + if (copy_from_user(&req32, (void __user *)arg, sizeof(req32))) return -EFAULT; request = compat_alloc_user_space(sizeof(*request)); @@ -176,10 +179,9 @@ static int compat_i915_alloc(struct file *file, unsigned int cmd, return -EFAULT; return drm_ioctl(file->f_dentry->d_inode, file, - DRM_IOCTL_I915_ALLOC, (unsigned long) request); + DRM_IOCTL_I915_ALLOC, (unsigned long)request); } - drm_ioctl_compat_t *i915_compat_ioctls[] = { [DRM_I915_BATCHBUFFER] = compat_i915_batchbuffer, [DRM_I915_CMDBUFFER] = compat_i915_cmdbuffer, @@ -197,8 +199,7 @@ drm_ioctl_compat_t *i915_compat_ioctls[] = { * \param arg user argument. * \return zero on success or negative number on failure. */ -long i915_compat_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) +long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { unsigned int nr = DRM_IOCTL_NR(cmd); drm_ioctl_compat_t *fn = NULL; @@ -206,13 +207,13 @@ long i915_compat_ioctl(struct file *filp, unsigned int cmd, 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]; lock_kernel(); /* XXX for now */ if (fn != NULL) - ret = (*fn)(filp, cmd, arg); + ret = (*fn) (filp, cmd, arg); else ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); unlock_kernel();