diff options
Diffstat (limited to 'dist/Mesa/src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c')
| -rw-r--r-- | dist/Mesa/src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/dist/Mesa/src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c b/dist/Mesa/src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c deleted file mode 100644 index 7625d2fb8..000000000 --- a/dist/Mesa/src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c +++ /dev/null @@ -1,260 +0,0 @@ -/********************************************************** - * Copyright 2009 VMware, Inc. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, copy, - * modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - **********************************************************/ - -/** - * @file - * Contains the functions for creating dma buffers by calling - * the kernel via driver specific ioctls. - * - * @author Jakob Bornecrantz <jakob@vmware.com> - */ - -#ifndef HAVE_STDINT_H -#define HAVE_STDINT_H 1 -#endif -#define _FILE_OFFSET_BITS 64 - -#include <errno.h> -#include <stdlib.h> -#include <string.h> - -#include <sys/mman.h> -#include "xf86drm.h" -#include "../../winsys/svga/drm/vmwgfx_drm.h" - -#include "vmw_driver.h" -#include "util/u_debug.h" - -struct vmw_dma_buffer -{ - void *data; - unsigned handle; - uint64_t map_handle; - unsigned map_count; - uint32_t size; -}; - -static int -vmw_ioctl_get_param(struct vmw_customizer *vmw, uint32_t param, uint64_t *out) -{ - struct drm_vmw_getparam_arg gp_arg; - int ret; - - memset(&gp_arg, 0, sizeof(gp_arg)); - gp_arg.param = param; - ret = drmCommandWriteRead(vmw->fd, DRM_VMW_GET_PARAM, - &gp_arg, sizeof(gp_arg)); - - if (ret == 0) { - *out = gp_arg.value; - } - - return ret; -} - -int -vmw_ioctl_supports_streams(struct vmw_customizer *vmw) -{ - uint64_t value; - int ret; - - ret = vmw_ioctl_get_param(vmw, DRM_VMW_PARAM_NUM_STREAMS, &value); - if (ret) - return ret; - - return value ? 0 : -ENOSYS; -} - -int -vmw_ioctl_num_streams(struct vmw_customizer *vmw, - uint32_t *ntot, uint32_t *nfree) -{ - uint64_t v1, v2; - int ret; - - ret = vmw_ioctl_get_param(vmw, DRM_VMW_PARAM_NUM_STREAMS, &v1); - if (ret) - return ret; - - ret = vmw_ioctl_get_param(vmw, DRM_VMW_PARAM_NUM_FREE_STREAMS, &v2); - if (ret) - return ret; - - *ntot = (uint32_t)v1; - *nfree = (uint32_t)v2; - - return 0; -} - -int -vmw_ioctl_claim_stream(struct vmw_customizer *vmw, uint32_t *out) -{ - struct drm_vmw_stream_arg s_arg; - int ret; - - ret = drmCommandRead(vmw->fd, DRM_VMW_CLAIM_STREAM, - &s_arg, sizeof(s_arg)); - - if (ret) - return -1; - - *out = s_arg.stream_id; - return 0; -} - -int -vmw_ioctl_unref_stream(struct vmw_customizer *vmw, uint32_t stream_id) -{ - struct drm_vmw_stream_arg s_arg; - int ret; - - memset(&s_arg, 0, sizeof(s_arg)); - s_arg.stream_id = stream_id; - - ret = drmCommandRead(vmw->fd, DRM_VMW_CLAIM_STREAM, - &s_arg, sizeof(s_arg)); - - return 0; -} - -int -vmw_ioctl_cursor_bypass(struct vmw_customizer *vmw, int xhot, int yhot) -{ - struct drm_vmw_cursor_bypass_arg arg; - int ret; - - memset(&arg, 0, sizeof(arg)); - arg.flags = DRM_VMW_CURSOR_BYPASS_ALL; - arg.xhot = xhot; - arg.yhot = yhot; - - ret = drmCommandWrite(vmw->fd, DRM_VMW_CURSOR_BYPASS, - &arg, sizeof(arg)); - - return ret; -} - -struct vmw_dma_buffer * -vmw_ioctl_buffer_create(struct vmw_customizer *vmw, uint32_t size, unsigned *handle) -{ - struct vmw_dma_buffer *buf; - union drm_vmw_alloc_dmabuf_arg arg; - struct drm_vmw_alloc_dmabuf_req *req = &arg.req; - struct drm_vmw_dmabuf_rep *rep = &arg.rep; - int ret; - - buf = calloc(1, sizeof(*buf)); - if (!buf) - goto err; - - memset(&arg, 0, sizeof(arg)); - req->size = size; - do { - ret = drmCommandWriteRead(vmw->fd, DRM_VMW_ALLOC_DMABUF, &arg, sizeof(arg)); - } while (ret == -ERESTART); - - if (ret) { - debug_printf("IOCTL failed %d: %s\n", ret, strerror(-ret)); - goto err_free; - } - - - buf->data = NULL; - buf->handle = rep->handle; - buf->map_handle = rep->map_handle; - buf->map_count = 0; - buf->size = size; - - *handle = rep->handle; - - return buf; - -err_free: - free(buf); -err: - return NULL; -} - -void -vmw_ioctl_buffer_destroy(struct vmw_customizer *vmw, struct vmw_dma_buffer *buf) -{ - struct drm_vmw_unref_dmabuf_arg arg; - - if (buf->data) { - munmap(buf->data, buf->size); - buf->data = NULL; - } - - memset(&arg, 0, sizeof(arg)); - arg.handle = buf->handle; - drmCommandWrite(vmw->fd, DRM_VMW_UNREF_DMABUF, &arg, sizeof(arg)); - - free(buf); -} - -void * -vmw_ioctl_buffer_map(struct vmw_customizer *vmw, struct vmw_dma_buffer *buf) -{ - void *map; - - if (buf->data == NULL) { - map = mmap(NULL, buf->size, PROT_READ | PROT_WRITE, MAP_SHARED, - vmw->fd, buf->map_handle); - if (map == MAP_FAILED) { - debug_printf("%s: Map failed.\n", __FUNCTION__); - return NULL; - } - - buf->data = map; - } - - ++buf->map_count; - - return buf->data; -} - -void -vmw_ioctl_buffer_unmap(struct vmw_customizer *vmw, struct vmw_dma_buffer *buf) -{ - --buf->map_count; -} - -int -vmw_ioctl_update_layout(struct vmw_customizer *vmw, uint32_t num, struct vmw_rect *rects) -{ - struct drm_vmw_update_layout_arg ul_arg; - int ret; - - assert(sizeof(struct vmw_rect) == sizeof(struct drm_vmw_rect)); - - memset(&ul_arg, 0, sizeof(ul_arg)); - ul_arg.num_outputs = num; - ul_arg.rects = (uint64_t)(uintptr_t)rects; - - ret = drmCommandWriteRead(vmw->fd, DRM_VMW_UPDATE_LAYOUT, - &ul_arg, sizeof(ul_arg)); - - return ret; -} |