From 279e8d26c6cf7347aa9cb6d50d025a41dff9a5be Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Tue, 29 Aug 2006 10:45:34 +0200 Subject: =?UTF-8?q?64-bit=20IOCTL=20integer=20(Michel=20D=E4nzer=20&=20Bri?= =?UTF-8?q?an=20Paul)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- libdrm/xf86drm.c | 32 ++++++-------------------------- linux-core/drmP.h | 28 +--------------------------- linux-core/drm_bo.c | 32 +++++++++++++++++++++++++++++--- linux-core/drm_ttm.c | 4 ++-- linux-core/drm_ttm.h | 5 +++++ shared-core/drm.h | 15 ++++++++++----- 6 files changed, 53 insertions(+), 63 deletions(-) diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 06c64303..3731ee12 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -2237,6 +2237,8 @@ int drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data, return 0; } +#ifdef __linux__ + int drmFenceCreate(int fd, int shareable, int class,unsigned type, int emit, drmFence *fence) @@ -2362,36 +2364,13 @@ int drmFenceWait(int fd, drmFence *fence, unsigned flush_type, return 0; } -static unsigned long drmUL(drm_u64_t val) -{ - unsigned long ret = val.lo; - if (sizeof(ret) == 8) { - int shift = 32; - ret |= (val.hi << shift); - } - return ret; -} - -static drm_u64_t drmU64(unsigned long val) -{ - drm_u64_t ret; - ret.lo = val & 0xFFFFFFFFUL; - if (sizeof(val) == 8) { - int shift = 32; - ret.hi = val >> shift; - } else { - ret.hi = 0; - } - return ret; -} - int drmTTMCreate(int fd, drmTTM *ttm, unsigned long size, unsigned flags) { drm_ttm_arg_t arg; arg.op = drm_ttm_create; arg.flags = flags; - arg.size = drmU64(size); + arg.size = size; if (ioctl(fd, DRM_IOCTL_TTM, &arg)) return -errno; @@ -2399,7 +2378,7 @@ int drmTTMCreate(int fd, drmTTM *ttm, unsigned long size, unsigned flags) ttm->handle = arg.handle; ttm->user_token = (drm_handle_t) arg.user_token; ttm->flags = arg.flags; - ttm->size = drmUL(arg.size); + ttm->size = arg.size; return 0; } @@ -2426,7 +2405,7 @@ int drmTTMReference(int fd, unsigned handle, drmTTM *ttm) ttm->handle = arg.handle; ttm->user_token = (drm_handle_t) arg.user_token; ttm->flags = arg.flags; - ttm->size = drmUL(arg.size); + ttm->size = arg.size; return 0; } @@ -2446,3 +2425,4 @@ drm_handle_t drmTTMMapHandle(int fd, const drmTTM *ttm) (void) fd; return ttm->user_token; } +#endif diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 07f3571b..af082ad7 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -952,9 +952,9 @@ typedef struct drm_buffer_object{ drm_ttm_object_t *ttm_object; drm_ttm_backend_list_t *ttm_region; void __user *user_pages; + unsigned long num_pages; atomic_t mapped; - uint32_t flags; uint32_t mask; uint32_t mask_hint; @@ -1360,32 +1360,6 @@ extern int drm_fence_ioctl(DRM_IOCTL_ARGS); extern int drm_bo_ioctl(DRM_IOCTL_ARGS); -/* - * Convenience drm_u64_t functions - */ - -static __inline__ unsigned long drm_ul(drm_u64_t val) -{ - unsigned long ret = val.lo; -#if (BITS_PER_LONG == 64) - ret |= (val.hi << 32); -#endif - return ret; -} - -static __inline__ drm_u64_t drm_u64(unsigned long val) -{ - drm_u64_t ret; - - ret.lo = val & 0xFFFFFFFFUL; -#if (BITS_PER_LONG == 64) - ret.hi = val >> 32; -#else - ret.hi = 0; -#endif - return ret; -} - /* Inline replacements for DRM_IOREMAP macros */ static __inline__ void drm_core_ioremap(struct drm_map *map, diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 7f5088fb..23634955 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -531,6 +531,7 @@ static int drm_buffer_object_validate(drm_device_t *dev, drm_buffer_object_t *bo return 0; } + int drm_buffer_object_create(drm_file_t *priv, int size, drm_bo_type_t type, @@ -544,6 +545,7 @@ int drm_buffer_object_create(drm_file_t *priv, drm_buffer_object_t *bo; int ret = 0; uint32_t ttm_flags = 0; + drm_ttm_t *ttm; bo = drm_calloc(1, sizeof(*bo), DRM_MEM_BUFOBJ); @@ -567,11 +569,35 @@ int drm_buffer_object_create(drm_file_t *priv, goto out_err; break; case drm_bo_type_ttm: + if (buffer_start & ~PAGE_MASK) { + DRM_ERROR("Illegal buffer object start\n"); + ret = -EINVAL; + } + bo->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; + if (!bo->num_pages) { + DRM_ERROR("Illegal buffer object size\n"); + ret = -EINVAL; + goto out_err; + } bo->ttm_object = drm_lookup_ttm_object(priv, ttm_handle, 1); + if (!bo->ttm_object) { + DRM_ERROR("Could not find buffer object TTM\n"); + ret = -EINVAL; + goto out_err; + } + ttm = drm_ttm_from_object(bo->ttm_object); + ret = drm_create_ttm_region(ttm, buffer_start >> PAGE_SHIFT, + bo->num_pages, 0, &bo->ttm_region); if (ret) goto out_err; break; case drm_bo_type_user: + if (buffer_start & ~PAGE_MASK) { + DRM_ERROR("Illegal buffer object start\n"); + ret = -EINVAL; + goto out_err; + } + bo->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; bo->user_pages = (void __user *)buffer_start; break; default: @@ -635,8 +661,8 @@ int drm_bo_ioctl(DRM_IOCTL_ARGS) rep.handled = 0; switch (req->op) { case drm_bo_create: { - unsigned long buffer_start = drm_ul(req->buffer_start); - rep.ret = drm_buffer_object_create(priv, drm_ul(req->size), + unsigned long buffer_start = req->buffer_start; + rep.ret = drm_buffer_object_create(priv, req->size, req->type, req->arg_handle, req->mask, req->hint, buffer_start, @@ -687,7 +713,7 @@ int drm_bo_ioctl(DRM_IOCTL_ARGS) default: rep.ret = -EINVAL; } - next = drm_ul(req->next); + next = req->next; rep.handled = 1; arg.rep = rep; DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c index cda3ec29..8cd0af61 100644 --- a/linux-core/drm_ttm.c +++ b/linux-core/drm_ttm.c @@ -888,7 +888,7 @@ int drm_ttm_ioctl(DRM_IOCTL_ARGS) switch(arg.op) { case drm_ttm_create: mutex_lock(&dev->struct_mutex); - size = drm_ul(arg.size); + size = arg.size; ret = drm_ttm_object_create(dev, size, arg.flags, &entry); if (ret) { mutex_unlock(&dev->struct_mutex); @@ -929,7 +929,7 @@ int drm_ttm_ioctl(DRM_IOCTL_ARGS) } arg.handle = entry->base.hash.key; arg.user_token = entry->map_list.user_token; - arg.size = drm_u64(entry->map_list.map->size); + arg.size = entry->map_list.map->size; drm_ttm_object_deref_locked(dev, entry); mutex_unlock(&dev->struct_mutex); diff --git a/linux-core/drm_ttm.h b/linux-core/drm_ttm.h index a87cf53e..ba4261bf 100644 --- a/linux-core/drm_ttm.h +++ b/linux-core/drm_ttm.h @@ -165,6 +165,11 @@ extern int drm_ttm_add_mm_to_list(drm_ttm_t * ttm, struct mm_struct *mm); extern void drm_ttm_delete_mm(drm_ttm_t * ttm, struct mm_struct *mm); extern int drm_ttm_ioctl(DRM_IOCTL_ARGS); +static __inline__ drm_ttm_t *drm_ttm_from_object(drm_ttm_object_t *to) +{ + return (drm_ttm_t *) to->map_list.map->offset; +} + #define DRM_MASK_VAL(dest, mask, val) \ (dest) = ((dest) & ~(mask)) | ((val) & (mask)); diff --git a/shared-core/drm.h b/shared-core/drm.h index d03eebcb..f8479dd0 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -134,6 +134,12 @@ #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT)) #if defined(__linux__) +#if defined(__KERNEL__) +typedef __u64 drm_u64_t; +#else +typedef unsigned long long drm_u64_t; +#endif + typedef unsigned int drm_handle_t; #else typedef unsigned long drm_handle_t; /**< To mapped regions */ @@ -630,10 +636,7 @@ typedef struct drm_set_version { int drm_dd_minor; } drm_set_version_t; -typedef struct drm_u64{ - unsigned lo; - unsigned hi; -}drm_u64_t; +#ifdef __linux__ #define DRM_FENCE_FLAG_EMIT 0x00000001 #define DRM_FENCE_FLAG_SHAREABLE 0x00000002 @@ -739,7 +742,7 @@ typedef union drm_bo_arg{ drm_bo_arg_request_t req; drm_bo_arg_reply_t rep; } drm_bo_arg_t; - +#endif /** * \name Ioctls Definitions @@ -806,8 +809,10 @@ typedef union drm_bo_arg{ #define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, drm_wait_vblank_t) +#ifdef __linux__ #define DRM_IOCTL_FENCE DRM_IOWR(0x3b, drm_fence_arg_t) #define DRM_IOCTL_TTM DRM_IOWR(0x3c, drm_ttm_arg_t) +#endif /*@}*/ -- cgit v1.2.3