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authorJakob Bornecrantz <jakob@vmware.com>2010-03-24 11:45:30 +0100
committerJakob Bornecrantz <jakob@vmware.com>2010-03-24 17:02:17 +0100
commit43218a45a4cdbe2bc92867dc143f4b0e5fe9ca8d (patch)
tree609015cdb06bc8166fb51d8b869ffae286b0a977 /src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c
parentf5ba2cdeb902993b993187a958aad89c5ac79d6b (diff)
gallium: Move xorg drivers to targets
Attached output from git commit: rename src/gallium/{winsys/drm/intel/xorg => targets/xorg-i915}/Makefile (95%) rename src/gallium/{winsys/drm/intel/xorg => targets/xorg-i915}/intel_xorg.c (98%) rename src/gallium/{winsys/drm/i965/xorg => targets/xorg-i965}/Makefile (78%) rename src/gallium/{winsys/drm/i965/xorg => targets/xorg-i965}/intel_xorg.c (98%) rename src/gallium/{winsys/drm/nouveau/xorg => targets/xorg-nouveau}/Makefile (96%) rename src/gallium/{winsys/drm/nouveau/xorg => targets/xorg-nouveau}/nouveau_xorg.c (98%) rename src/gallium/{winsys/drm/radeon/xorg => targets/xorg-radeon}/Makefile (73%) rename src/gallium/{winsys/drm/radeon/xorg => targets/xorg-radeon}/radeon_xorg.c (98%) rename src/gallium/{winsys/drm/vmware/xorg => targets/xorg-vmwgfx}/Makefile (97%) rename src/gallium/{winsys/drm/vmware/xorg => targets/xorg-vmwgfx}/SConscript (100%) rename src/gallium/{winsys/drm/vmware/xorg => targets/xorg-vmwgfx}/vmw_driver.h (100%) rename src/gallium/{winsys/drm/vmware/xorg => targets/xorg-vmwgfx}/vmw_hook.h (100%) rename src/gallium/{winsys/drm/vmware/xorg => targets/xorg-vmwgfx}/vmw_ioctl.c (99%) rename src/gallium/{winsys/drm/vmware/xorg => targets/xorg-vmwgfx}/vmw_screen.c (100%) rename src/gallium/{winsys/drm/vmware/xorg => targets/xorg-vmwgfx}/vmw_video.c (99%) rename src/gallium/{winsys/drm/vmware/xorg => targets/xorg-vmwgfx}/vmw_xorg.c (100%)
Diffstat (limited to 'src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c')
-rw-r--r--src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c242
1 files changed, 242 insertions, 0 deletions
diff --git a/src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c b/src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c
new file mode 100644
index 0000000000..fe9c0393e2
--- /dev/null
+++ b/src/gallium/targets/xorg-vmwgfx/vmw_ioctl.c
@@ -0,0 +1,242 @@
+/**********************************************************
+ * 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/drm/vmware/core/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 = xcalloc(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:
+ xfree(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));
+
+ xfree(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;
+}