diff options
Diffstat (limited to 'libdrm/xf86drm.c')
-rw-r--r-- | libdrm/xf86drm.c | 573 |
1 files changed, 0 insertions, 573 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 4b4d009b..64765339 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -2356,579 +2356,6 @@ int drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data, return 0; } - -/* - * Valid flags are - * DRM_FENCE_FLAG_EMIT - * DRM_FENCE_FLAG_SHAREABLE - * DRM_FENCE_MASK_DRIVER - */ - -int drmFenceCreate(int fd, unsigned flags, int fence_class, unsigned type, - drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.flags = flags; - arg.type = type; - arg.fence_class = fence_class; - - if (drmIoctl(fd, DRM_IOCTL_FENCE_CREATE, &arg)) - return -errno; - fence->handle = arg.handle; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->flags = arg.flags; - fence->signaled = 0; - return 0; -} - -/* - * Valid flags are - * DRM_FENCE_FLAG_SHAREABLE - * DRM_FENCE_MASK_DRIVER - */ - -int drmFenceBuffers(int fd, unsigned flags, uint32_t fence_class, drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.flags = flags; - arg.fence_class = fence_class; - - if (drmIoctl(fd, DRM_IOCTL_FENCE_BUFFERS, &arg)) - return -errno; - fence->handle = arg.handle; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->flags = arg.flags; - fence->sequence = arg.sequence; - fence->signaled = 0; - return 0; -} - -int drmFenceReference(int fd, unsigned handle, drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = handle; - - if (drmIoctl(fd, DRM_IOCTL_FENCE_REFERENCE, &arg)) - return -errno; - fence->handle = arg.handle; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->flags = arg.flags; - fence->signaled = arg.signaled; - return 0; -} - -int drmFenceUnreference(int fd, const drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = fence->handle; - - if (drmIoctl(fd, DRM_IOCTL_FENCE_UNREFERENCE, &arg)) - return -errno; - return 0; -} - -int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = fence->handle; - arg.type = flush_type; - - if (drmIoctl(fd, DRM_IOCTL_FENCE_FLUSH, &arg)) - return -errno; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->signaled = arg.signaled; - return arg.error; -} - -int drmFenceUpdate(int fd, drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = fence->handle; - - if (drmIoctl(fd, DRM_IOCTL_FENCE_SIGNALED, &arg)) - return -errno; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->signaled = arg.signaled; - return 0; -} - -int drmFenceSignaled(int fd, drmFence *fence, unsigned fenceType, - int *signaled) -{ - if ((fence->flags & DRM_FENCE_FLAG_SHAREABLE) || - ((fenceType & fence->signaled) != fenceType)) { - int ret = drmFenceFlush(fd, fence, fenceType); - if (ret) - return ret; - } - - *signaled = ((fenceType & fence->signaled) == fenceType); - - return 0; -} - -/* - * Valid flags are - * DRM_FENCE_FLAG_SHAREABLE - * DRM_FENCE_MASK_DRIVER - */ - - -int drmFenceEmit(int fd, unsigned flags, drmFence *fence, unsigned emit_type) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.fence_class = fence->fence_class; - arg.flags = flags; - arg.handle = fence->handle; - arg.type = emit_type; - - if (drmIoctl(fd, DRM_IOCTL_FENCE_EMIT, &arg)) - return -errno; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->signaled = arg.signaled; - fence->sequence = arg.sequence; - return 0; -} - -/* - * Valid flags are - * DRM_FENCE_FLAG_WAIT_LAZY - * DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS - */ - -#define DRM_IOCTL_TIMEOUT_USEC 3000000UL - -static unsigned long -drmTimeDiff(struct timeval *now, struct timeval *then) -{ - uint64_t val; - - val = now->tv_sec - then->tv_sec; - val *= 1000000LL; - val += now->tv_usec; - val -= then->tv_usec; - - return (unsigned long) val; -} - -static int -drmIoctlTimeout(int fd, unsigned long request, void *argp) -{ - int haveThen = 0; - struct timeval then, now; - int ret; - - do { - ret = drmIoctl(fd, request, argp); - if (ret != 0 && errno == EAGAIN) { - if (!haveThen) { - gettimeofday(&then, NULL); - haveThen = 1; - } - gettimeofday(&now, NULL); - } - } while (ret != 0 && errno == EAGAIN && - drmTimeDiff(&now, &then) < DRM_IOCTL_TIMEOUT_USEC); - - if (ret != 0) - return ((errno == EAGAIN) ? -EBUSY : -errno); - - return 0; -} - - - - -int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type) -{ - drm_fence_arg_t arg; - int ret; - - if (flush_type == 0) { - flush_type = fence->type; - } - - if (!(fence->flags & DRM_FENCE_FLAG_SHAREABLE)) { - if ((flush_type & fence->signaled) == flush_type) { - return 0; - } - } - - memset(&arg, 0, sizeof(arg)); - arg.handle = fence->handle; - arg.type = flush_type; - arg.flags = flags; - - - ret = drmIoctlTimeout(fd, DRM_IOCTL_FENCE_WAIT, &arg); - if (ret) - return ret; - - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->signaled = arg.signaled; - return arg.error; -} - -static void drmBOCopyReply(const struct drm_bo_info_rep *rep, drmBO *buf) -{ - buf->handle = rep->handle; - buf->flags = rep->flags; - buf->size = rep->size; - buf->offset = rep->offset; - buf->mapHandle = rep->arg_handle; - buf->proposedFlags = rep->proposed_flags; - buf->start = rep->buffer_start; - buf->fenceFlags = rep->fence_flags; - buf->replyFlags = rep->rep_flags; - buf->pageAlignment = rep->page_alignment; - buf->tileInfo = rep->tile_info; - buf->hwTileStride = rep->hw_tile_stride; - buf->desiredTileStride = rep->desired_tile_stride; -} - - - -int drmBOCreate(int fd, unsigned long size, - unsigned pageAlignment, void *user_buffer, - uint64_t flags, - unsigned hint, drmBO *buf) -{ - struct drm_bo_create_arg arg; - struct drm_bo_create_req *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret; - - memset(buf, 0, sizeof(*buf)); - memset(&arg, 0, sizeof(arg)); - req->flags = flags; - req->hint = hint; - req->size = size; - req->page_alignment = pageAlignment; - req->buffer_start = (unsigned long) user_buffer; - - buf->virtual = NULL; - - ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_CREATE, &arg); - if (ret) - return ret; - - drmBOCopyReply(rep, buf); - buf->virtual = user_buffer; - buf->mapCount = 0; - - return 0; -} - -int drmBOReference(int fd, unsigned handle, drmBO *buf) -{ - struct drm_bo_reference_info_arg arg; - struct drm_bo_handle_arg *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - - memset(&arg, 0, sizeof(arg)); - req->handle = handle; - - if (drmIoctl(fd, DRM_IOCTL_BO_REFERENCE, &arg)) - return -errno; - - drmBOCopyReply(rep, buf); - buf->mapVirtual = NULL; - buf->mapCount = 0; - buf->virtual = NULL; - - return 0; -} - -int drmBOUnreference(int fd, drmBO *buf) -{ - struct drm_bo_handle_arg arg; - - if (buf->mapVirtual && buf->mapHandle) { - (void) munmap(buf->mapVirtual, buf->start + buf->size); - buf->mapVirtual = NULL; - buf->virtual = NULL; - } - - memset(&arg, 0, sizeof(arg)); - arg.handle = buf->handle; - - if (drmIoctl(fd, DRM_IOCTL_BO_UNREFERENCE, &arg)) - return -errno; - - buf->handle = 0; - return 0; -} - - -/* - * Flags can be DRM_BO_FLAG_READ, DRM_BO_FLAG_WRITE or'ed together - * Hint currently be DRM_BO_HINT_DONT_BLOCK, which makes the - * call return an -EBUSY if it can' immediately honor the mapping request. - */ - -int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint, - void **address) -{ - struct drm_bo_map_wait_idle_arg arg; - struct drm_bo_info_req *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret = 0; - - /* - * Make sure we have a virtual address of the buffer. - */ - - if (!buf->virtual) { - drmAddress virtual; - virtual = mmap(0, buf->size + buf->start, - PROT_READ | PROT_WRITE, MAP_SHARED, - fd, buf->mapHandle); - if (virtual == MAP_FAILED) { - ret = -errno; - } - if (ret) - return ret; - buf->mapVirtual = virtual; - buf->virtual = ((char *) virtual) + buf->start; - } - - memset(&arg, 0, sizeof(arg)); - req->handle = buf->handle; - req->mask = mapFlags; - req->hint = mapHint; - - /* - * May hang if the buffer object is busy. - * This IOCTL synchronizes the buffer. - */ - - ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_MAP, &arg); - if (ret) - return ret; - - drmBOCopyReply(rep, buf); - buf->mapFlags = mapFlags; - ++buf->mapCount; - *address = buf->virtual; - - return 0; -} - - -int drmBOUnmap(int fd, drmBO *buf) -{ - struct drm_bo_handle_arg arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = buf->handle; - - if (drmIoctl(fd, DRM_IOCTL_BO_UNMAP, &arg)) { - return -errno; - } - buf->mapCount--; - return 0; -} - -int drmBOSetStatus(int fd, drmBO *buf, - uint64_t flags, uint64_t mask, - unsigned int hint, - unsigned int desired_tile_stride, - unsigned int tile_info) -{ - - struct drm_bo_map_wait_idle_arg arg; - struct drm_bo_info_req *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret = 0; - - memset(&arg, 0, sizeof(arg)); - req->mask = mask; - req->flags = flags; - req->handle = buf->handle; - req->hint = hint; - req->desired_tile_stride = desired_tile_stride; - req->tile_info = tile_info; - - ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_SETSTATUS, &arg); - if (ret) - return ret; - - drmBOCopyReply(rep, buf); - return 0; -} - - -int drmBOInfo(int fd, drmBO *buf) -{ - struct drm_bo_reference_info_arg arg; - struct drm_bo_handle_arg *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret = 0; - - memset(&arg, 0, sizeof(arg)); - req->handle = buf->handle; - - ret = drmIoctl(fd, DRM_IOCTL_BO_INFO, &arg); - if (ret) - return -errno; - - drmBOCopyReply(rep, buf); - return 0; -} - -int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint) -{ - struct drm_bo_map_wait_idle_arg arg; - struct drm_bo_info_req *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret = 0; - - if ((buf->flags & DRM_BO_FLAG_SHAREABLE) || - (buf->replyFlags & DRM_BO_REP_BUSY)) { - memset(&arg, 0, sizeof(arg)); - req->handle = buf->handle; - req->hint = hint; - - ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_WAIT_IDLE, &arg); - if (ret) - return ret; - - drmBOCopyReply(rep, buf); - } - return 0; -} - -int drmBOBusy(int fd, drmBO *buf, int *busy) -{ - int ret = drmBOInfo(fd, buf); - - if (ret) - return ret; - - *busy = (buf->replyFlags & DRM_BO_REP_BUSY); - return 0; -} - -int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize, - unsigned memType) -{ - struct drm_mm_init_arg arg; - - memset(&arg, 0, sizeof(arg)); - - arg.magic = DRM_BO_INIT_MAGIC; - arg.major = DRM_BO_INIT_MAJOR; - arg.minor = DRM_BO_INIT_MINOR; - arg.p_offset = pOffset; - arg.p_size = pSize; - arg.mem_type = memType; - - if (drmIoctl(fd, DRM_IOCTL_MM_INIT, &arg)) - return -errno; - return 0; -} - -int drmMMTakedown(int fd, unsigned memType) -{ - struct drm_mm_type_arg arg; - - memset(&arg, 0, sizeof(arg)); - arg.mem_type = memType; - - if (drmIoctl(fd, DRM_IOCTL_MM_TAKEDOWN, &arg)) - return -errno; - return 0; -} - -/* - * If this function returns an error, and lockBM was set to 1, - * the buffer manager is NOT locked. - */ - -int drmMMLock(int fd, unsigned memType, int lockBM, int ignoreNoEvict) -{ - struct drm_mm_type_arg arg; - - memset(&arg, 0, sizeof(arg)); - arg.mem_type = memType; - arg.lock_flags |= (lockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0; - arg.lock_flags |= (ignoreNoEvict) ? DRM_BO_LOCK_IGNORE_NO_EVICT : 0; - - return drmIoctlTimeout(fd, DRM_IOCTL_MM_LOCK, &arg); -} - -int drmMMUnlock(int fd, unsigned memType, int unlockBM) -{ - struct drm_mm_type_arg arg; - - memset(&arg, 0, sizeof(arg)); - - arg.mem_type = memType; - arg.lock_flags |= (unlockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0; - - return drmIoctlTimeout(fd, DRM_IOCTL_MM_UNLOCK, &arg); -} - -int drmMMInfo(int fd, unsigned memType, uint64_t *size) -{ - struct drm_mm_info_arg arg; - - memset(&arg, 0, sizeof(arg)); - - arg.mem_type = memType; - - if (drmIoctl(fd, DRM_IOCTL_MM_INFO, &arg)) - return -errno; - - *size = arg.p_size; - return 0; -} - -int drmBOVersion(int fd, unsigned int *major, - unsigned int *minor, - unsigned int *patchlevel) -{ - struct drm_bo_version_arg arg; - int ret; - - memset(&arg, 0, sizeof(arg)); - ret = drmIoctl(fd, DRM_IOCTL_BO_VERSION, &arg); - if (ret) - return -errno; - - if (major) - *major = arg.major; - if (minor) - *minor = arg.minor; - if (patchlevel) - *patchlevel = arg.patchlevel; - - return 0; -} - - - #define DRM_MAX_FDS 16 static struct { char *BusID; |