gallium: Reorg winsys directories

Attached output from commit.
 delete mode 100644 src/gallium/winsys/drm/SConscript
 delete mode 100644 src/gallium/winsys/drm/i965/SConscript
 delete mode 100644 src/gallium/winsys/drm/intel/Makefile
 delete mode 100644 src/gallium/winsys/drm/intel/SConscript
 delete mode 100644 src/gallium/winsys/drm/nouveau/Makefile
 delete mode 100644 src/gallium/winsys/drm/radeon/Makefile
 delete mode 100644 src/gallium/winsys/drm/radeon/SConscript
 delete mode 100644 src/gallium/winsys/drm/vmware/Makefile
 delete mode 100644 src/gallium/winsys/drm/vmware/SConscript
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/Makefile (82%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/SConscript (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_api.c (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_batchbuffer.c (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_buffer.c (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_fence.c (100%)
 rename src/gallium/winsys/{drm/intel/gem => i915/drm}/intel_drm_winsys.h (100%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/Makefile (78%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/SConscript (100%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/i965_drm_api.c (98%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/i965_drm_buffer.c (100%)
 rename src/gallium/winsys/{drm/i965/gem => i965/drm}/i965_drm_winsys.h (100%)
 rename src/gallium/winsys/{drm => }/i965/xlib/Makefile (97%)
 rename src/gallium/winsys/{drm => }/i965/xlib/xlib_i965.c (100%)
 rename src/gallium/winsys/{drm => }/nouveau/drm/Makefile (79%)
 rename src/gallium/winsys/{drm => }/nouveau/drm/nouveau_dri.h (100%)
 rename src/gallium/winsys/{drm => }/nouveau/drm/nouveau_drm_api.c (100%)
 rename src/gallium/winsys/{drm => }/nouveau/drm/nouveau_drm_api.h (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/Makefile (79%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/SConscript (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_buffer.h (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_drm.c (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_drm.h (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_drm_buffer.c (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_r300.c (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_r300.h (100%)
 rename src/gallium/winsys/{drm/radeon/core => radeon/drm}/radeon_winsys.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/Makefile (63%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/SConscript (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_buffer.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_buffer.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_context.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_context.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_fence.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_fence.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen_dri.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen_ioctl.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen_pools.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_screen_svga.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_surface.c (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmw_surface.h (100%)
 rename src/gallium/winsys/{drm/vmware/core => svga/drm}/vmwgfx_drm.h (100%)
 rename src/gallium/winsys/{drm/i965 => sw}/Makefile (61%)
 copy src/gallium/winsys/{drm/sw => sw/drm}/Makefile (73%)
 rename src/gallium/winsys/{drm/sw => sw/drm}/sw_drm_api.c (98%)
 rename src/gallium/winsys/{drm/sw => sw/drm}/sw_drm_api.h (100%)
 rename src/gallium/winsys/{ => sw}/gdi/SConscript (100%)
 rename src/gallium/winsys/{ => sw}/gdi/gdi_sw_winsys.c (100%)
 rename src/gallium/winsys/{ => sw}/gdi/gdi_sw_winsys.h (100%)
 rename src/gallium/winsys/{ => sw}/null/Makefile (78%)
 rename src/gallium/winsys/{ => sw}/null/SConscript (100%)
 rename src/gallium/winsys/{ => sw}/null/null_sw_winsys.c (100%)
 rename src/gallium/winsys/{ => sw}/null/null_sw_winsys.h (100%)
 rename src/gallium/winsys/{drm/sw => sw/wrapper}/Makefile (65%)
 rename src/gallium/winsys/{drm/sw => sw/wrapper}/wrapper_sw_winsys.c (100%)
 rename src/gallium/winsys/{drm/sw => sw/wrapper}/wrapper_sw_winsys.h (100%)
 rename src/gallium/winsys/{ => sw}/xlib/Makefile (79%)
 rename src/gallium/winsys/{ => sw}/xlib/SConscript (100%)
 rename src/gallium/winsys/{ => sw}/xlib/xlib_sw_winsys.c (100%)

9 files changed, 1236 insertions, 0 deletions

diff --git a/src/gallium/winsys/radeon/drm/Makefile b/src/gallium/winsys/radeon/drm/Makefile
new file mode 100644
index 0000000000..7f69e39273
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/Makefile
@@ -0,0 +1,17 @@
+
+TOP = ../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = radeonwinsys
+
+C_SOURCES = \
+	radeon_drm_buffer.c \
+	radeon_drm.c \
+	radeon_r300.c
+
+LIBRARY_INCLUDES = -I$(TOP)/src/gallium/drivers/r300 \
+		   $(shell pkg-config libdrm --cflags-only-I)
+
+include ../../../Makefile.template
+
+symlinks:
diff --git a/src/gallium/winsys/radeon/drm/SConscript b/src/gallium/winsys/radeon/drm/SConscript
new file mode 100644
index 0000000000..f4e9c397bd
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/SConscript
@@ -0,0 +1,18 @@
+Import('*')
+
+env = drienv.Clone()
+
+radeon_sources = [
+    'radeon_buffer.c',
+    'radeon_drm.c',
+    'radeon_r300.c',
+]
+
+env.Append(CPPPATH = '#/src/gallium/drivers/r300')
+
+radeonwinsys = env.ConvenienceLibrary(
+    target ='radeonwinsys',
+    source = radeon_sources,
+)
+
+Export('radeonwinsys')
diff --git a/src/gallium/winsys/radeon/drm/radeon_buffer.h b/src/gallium/winsys/radeon/drm/radeon_buffer.h
new file mode 100644
index 0000000000..218a376301
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_buffer.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright © 2008 Jérôme Glisse
+ * 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, sub license, 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 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
+ * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
+ * AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors:
+ *      Jérôme Glisse <glisse@freedesktop.org>
+ */
+#ifndef RADEON_BUFFER_H
+#define RADEON_BUFFER_H
+
+#include <stdio.h>
+
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+
+#include "pipebuffer/pb_buffer.h"
+#include "pipebuffer/pb_bufmgr.h"
+
+#include "radeon_bo.h"
+#include "radeon_cs.h"
+
+#include "radeon_winsys.h"
+
+
+#define RADEON_MAX_BOS 24
+
+static INLINE struct pb_buffer *
+radeon_pb_buffer(struct r300_winsys_buffer *buffer)
+{
+    return (struct pb_buffer *)buffer;
+}
+
+static INLINE struct r300_winsys_buffer *
+radeon_libdrm_winsys_buffer(struct pb_buffer *buffer)
+{
+    return (struct r300_winsys_buffer *)buffer;
+}
+
+struct pb_manager *
+radeon_drm_bufmgr_create(struct radeon_libdrm_winsys *rws);
+
+boolean radeon_drm_bufmgr_add_buffer(struct pb_buffer *_buf,
+				     uint32_t rd, uint32_t wd);
+
+
+void radeon_drm_bufmgr_write_reloc(struct pb_buffer *_buf,
+				   uint32_t rd, uint32_t wd,
+				   uint32_t flags);
+
+struct pb_buffer *radeon_drm_bufmgr_create_buffer_from_handle(struct pb_manager *_mgr,
+							      uint32_t handle);
+
+void radeon_drm_bufmgr_set_tiling(struct pb_buffer *_buf,
+                                  enum r300_buffer_tiling microtiled,
+                                  enum r300_buffer_tiling macrotiled,
+                                  uint32_t pitch);
+
+void radeon_drm_bufmgr_flush_maps(struct pb_manager *_mgr);
+
+boolean radeon_drm_bufmgr_get_handle(struct pb_buffer *_buf,
+				     struct winsys_handle *whandle);
+
+boolean radeon_drm_bufmgr_is_buffer_referenced(struct pb_buffer *_buf);
+#endif
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm.c b/src/gallium/winsys/radeon/drm/radeon_drm.c
new file mode 100644
index 0000000000..3dfcc5aef0
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_drm.c
@@ -0,0 +1,200 @@
+/*
+ * Copyright © 2009 Corbin Simpson
+ * 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, sub license, 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 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
+ * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
+ * AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors:
+ *      Corbin Simpson <MostAwesomeDude@gmail.com>
+ *      Joakim Sindholt <opensource@zhasha.com>
+ */
+
+#include "radeon_drm.h"
+#include "radeon_r300.h"
+#include "radeon_buffer.h"
+
+#include "r300_winsys.h"
+#include "trace/tr_drm.h"
+
+#include "util/u_memory.h"
+
+#include "xf86drm.h"
+#include <sys/ioctl.h>
+
+static struct radeon_libdrm_winsys *
+radeon_winsys_create(int fd)
+{
+    struct radeon_libdrm_winsys *rws;
+
+    rws = CALLOC_STRUCT(radeon_libdrm_winsys);
+    if (rws == NULL) {
+        return NULL;
+    }
+
+    rws->fd = fd;
+    return rws;
+}
+
+/* Helper function to do the ioctls needed for setup and init. */
+static void do_ioctls(int fd, struct radeon_libdrm_winsys* winsys)
+{
+    struct drm_radeon_gem_info gem_info = {0};
+    struct drm_radeon_info info = {0};
+    int target = 0;
+    int retval;
+    drmVersionPtr version;
+
+    info.value = (unsigned long)&target;
+
+    /* We do things in a specific order here.
+     *
+     * DRM version first. We need to be sure we're running on a KMS chipset.
+     * This is also for some features.
+     *
+     * Then, the PCI ID. This is essential and should return usable numbers
+     * for all Radeons. If this fails, we probably got handed an FD for some
+     * non-Radeon card.
+     *
+     * The GB and Z pipe requests should always succeed, but they might not
+     * return sensical values for all chipsets, but that's alright because
+     * the pipe drivers already know that.
+     *
+     * The GEM info is actually bogus on the kernel side, as well as our side
+     * (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
+     * we don't actually use the info for anything yet. */
+
+    version = drmGetVersion(fd);
+    if (version->version_major != 2) {
+        fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
+                "only compatible with 2.x.x\n", __FUNCTION__,
+                version->version_major, version->version_minor,
+                version->version_patchlevel);
+        drmFreeVersion(version);
+        exit(1);
+    }
+
+/* XXX Remove this ifdef when libdrm version 2.4.19 becomes mandatory. */
+#ifdef RADEON_BO_FLAGS_MICRO_TILE_SQUARE
+    // Supported since 2.1.0.
+    winsys->squaretiling = version->version_major > 2 ||
+                           version->version_minor >= 1;
+#endif
+
+    info.request = RADEON_INFO_DEVICE_ID;
+    retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+    if (retval) {
+        fprintf(stderr, "%s: Failed to get PCI ID, "
+                "error number %d\n", __FUNCTION__, retval);
+        exit(1);
+    }
+    winsys->pci_id = target;
+
+    info.request = RADEON_INFO_NUM_GB_PIPES;
+    retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+    if (retval) {
+        fprintf(stderr, "%s: Failed to get GB pipe count, "
+                "error number %d\n", __FUNCTION__, retval);
+        exit(1);
+    }
+    winsys->gb_pipes = target;
+
+    info.request = RADEON_INFO_NUM_Z_PIPES;
+    retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+    if (retval) {
+        fprintf(stderr, "%s: Failed to get Z pipe count, "
+                "error number %d\n", __FUNCTION__, retval);
+        exit(1);
+    }
+    winsys->z_pipes = target;
+
+    retval = drmCommandWriteRead(fd, DRM_RADEON_GEM_INFO,
+            &gem_info, sizeof(gem_info));
+    if (retval) {
+        fprintf(stderr, "%s: Failed to get MM info, error number %d\n",
+                __FUNCTION__, retval);
+        exit(1);
+    }
+    winsys->gart_size = gem_info.gart_size;
+    winsys->vram_size = gem_info.vram_size;
+
+    debug_printf("radeon: Successfully grabbed chipset info from kernel!\n"
+                 "radeon: DRM version: %d.%d.%d ID: 0x%04x GB: %d Z: %d\n"
+                 "radeon: GART size: %d MB VRAM size: %d MB\n",
+                 version->version_major, version->version_minor,
+                 version->version_patchlevel, winsys->pci_id,
+                 winsys->gb_pipes, winsys->z_pipes,
+                 winsys->gart_size / 1024 / 1024,
+                 winsys->vram_size / 1024 / 1024);
+
+    drmFreeVersion(version);
+}
+
+/* Create a pipe_screen. */
+struct pipe_screen* radeon_create_screen(struct drm_api* api,
+                                         int drmFB,
+                                         struct drm_create_screen_arg *arg)
+{
+    struct radeon_libdrm_winsys* rws; 
+    boolean ret;
+
+    rws = radeon_winsys_create(drmFB);
+    if (!rws)
+	return NULL;
+
+    do_ioctls(drmFB, rws);
+
+    /* The state tracker can organize a softpipe fallback if no hw
+     * driver is found.
+     */
+    if (is_r3xx(rws->pci_id)) {
+        ret = radeon_setup_winsys(drmFB, rws);
+	if (ret == FALSE)
+	    goto fail;
+        return r300_create_screen(&rws->base);
+    }
+
+fail:
+    FREE(rws);
+    return NULL;
+}
+
+static void radeon_drm_api_destroy(struct drm_api *api)
+{
+    return;
+}
+
+struct drm_api drm_api_hooks = {
+    .name = "radeon",
+    .driver_name = "radeon",
+    .create_screen = radeon_create_screen,
+    .destroy = radeon_drm_api_destroy,
+};
+
+struct drm_api* drm_api_create()
+{
+#ifdef DEBUG
+    return trace_drm_create(&drm_api_hooks);
+#else
+    return &drm_api_hooks;
+#endif
+}
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm.h b/src/gallium/winsys/radeon/drm/radeon_drm.h
new file mode 100644
index 0000000000..2dc077c052
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_drm.h
@@ -0,0 +1,66 @@
+/* 
+ * Copyright © 2009 Corbin Simpson
+ * 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, sub license, 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 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
+ * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
+ * AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors:
+ *      Corbin Simpson <MostAwesomeDude@gmail.com>
+ */
+#ifndef RADEON_DRM_H
+#define RADEON_DRM_H
+
+#include "state_tracker/drm_api.h"
+
+
+struct pipe_screen* radeon_create_screen(struct drm_api* api,
+                                         int drmFB,
+					 struct drm_create_screen_arg *arg);
+
+boolean radeon_buffer_from_texture(struct drm_api* api,
+                                   struct pipe_screen* screen,
+                                   struct pipe_texture* texture,
+                                   struct pipe_buffer** buffer,
+                                   unsigned* stride);
+
+boolean radeon_handle_from_buffer(struct drm_api* api,
+                                  struct pipe_screen* screen,
+                                  struct pipe_buffer* buffer,
+                                  unsigned* handle);
+
+boolean radeon_global_handle_from_buffer(struct drm_api* api,
+                                         struct pipe_screen* screen,
+                                         struct pipe_buffer* buffer,
+                                         unsigned* handle);
+
+void radeon_destroy_drm_api(struct drm_api* api);
+
+/* Guess at whether this chipset should use r300g.
+ *
+ * I believe that this check is valid, but I haven't been exhaustive. */
+static INLINE boolean is_r3xx(int pciid)
+{
+    return (pciid > 0x3150) && (pciid < 0x796f);
+}
+
+#endif
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c b/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c
new file mode 100644
index 0000000000..66f6132245
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c
@@ -0,0 +1,385 @@
+
+#include <sys/ioctl.h>
+#include "radeon_drm.h"
+#include "radeon_bo_gem.h"
+#include "radeon_cs_gem.h"
+#include "radeon_buffer.h"
+
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+#include "util/u_simple_list.h"
+#include "pipebuffer/pb_buffer.h"
+#include "pipebuffer/pb_bufmgr.h"
+
+#include "radeon_winsys.h"
+struct radeon_drm_bufmgr;
+
+struct radeon_drm_buffer {
+    struct pb_buffer base;
+    struct radeon_drm_bufmgr *mgr;
+
+    struct radeon_bo *bo;
+
+    boolean flinked;
+    uint32_t flink;
+
+    struct radeon_drm_buffer *next, *prev;
+};
+
+extern const struct pb_vtbl radeon_drm_buffer_vtbl;
+
+
+static INLINE struct radeon_drm_buffer *
+radeon_drm_buffer(struct pb_buffer *buf)
+{
+    assert(buf);
+    assert(buf->vtbl == &radeon_drm_buffer_vtbl);
+    return (struct radeon_drm_buffer *)buf;
+}
+
+struct radeon_drm_bufmgr {
+    struct pb_manager base;
+    struct radeon_libdrm_winsys *rws;
+    struct radeon_drm_buffer buffer_map_list;
+};
+
+static INLINE struct radeon_drm_bufmgr *
+radeon_drm_bufmgr(struct pb_manager *mgr)
+{
+    assert(mgr);
+    return (struct radeon_drm_bufmgr *)mgr;
+}
+
+static void
+radeon_drm_buffer_destroy(struct pb_buffer *_buf)
+{
+    struct radeon_drm_buffer *buf = radeon_drm_buffer(_buf);
+
+    if (buf->bo->ptr != NULL) {
+	remove_from_list(buf);
+	radeon_bo_unmap(buf->bo);
+	buf->bo->ptr = NULL;
+    }
+    radeon_bo_unref(buf->bo);
+
+    FREE(buf);
+}
+
+static void *
+radeon_drm_buffer_map(struct pb_buffer *_buf,
+		      unsigned flags)
+{
+    struct radeon_drm_buffer *buf = radeon_drm_buffer(_buf);
+    int write = 0;
+
+    if (flags & PIPE_BUFFER_USAGE_DONTBLOCK) {
+	if ((_buf->base.usage & PIPE_BUFFER_USAGE_VERTEX) ||
+	    (_buf->base.usage & PIPE_BUFFER_USAGE_INDEX))
+	    if (radeon_bo_is_referenced_by_cs(buf->bo, buf->mgr->rws->cs))
+		return NULL;
+    }
+
+    if (buf->bo->ptr != NULL)
+	return buf->bo->ptr;
+
+    if (flags & PIPE_BUFFER_USAGE_DONTBLOCK) {
+        uint32_t domain;
+        if (radeon_bo_is_busy(buf->bo, &domain))
+            return NULL;
+    }
+
+    if (radeon_bo_is_referenced_by_cs(buf->bo, buf->mgr->rws->cs)) {
+        buf->mgr->rws->flush_cb(buf->mgr->rws->flush_data);
+    }
+
+    if (flags & PIPE_BUFFER_USAGE_CPU_WRITE) {
+        write = 1;
+    }
+
+    if (radeon_bo_map(buf->bo, write)) {
+        return NULL;
+    }
+    insert_at_tail(&buf->mgr->buffer_map_list, buf);
+    return buf->bo->ptr;
+}
+
+static void
+radeon_drm_buffer_unmap(struct pb_buffer *_buf)
+{
+    (void)_buf;
+}
+
+static void
+radeon_drm_buffer_get_base_buffer(struct pb_buffer *buf,
+				  struct pb_buffer **base_buf,
+				  unsigned *offset)
+{
+    *base_buf = buf;
+    *offset = 0;
+}
+
+
+static enum pipe_error
+radeon_drm_buffer_validate(struct pb_buffer *_buf, 
+			   struct pb_validate *vl,
+			   unsigned flags)
+{
+   /* Always pinned */
+   return PIPE_OK;
+}
+
+static void
+radeon_drm_buffer_fence(struct pb_buffer *buf,
+			struct pipe_fence_handle *fence)
+{
+}
+
+const struct pb_vtbl radeon_drm_buffer_vtbl = {
+    radeon_drm_buffer_destroy,
+    radeon_drm_buffer_map,
+    radeon_drm_buffer_unmap,
+    radeon_drm_buffer_validate,
+    radeon_drm_buffer_fence,
+    radeon_drm_buffer_get_base_buffer,
+};
+
+
+static uint32_t radeon_domain_from_usage(unsigned usage)
+{
+    uint32_t domain = 0;
+
+    if (usage & PIPE_BUFFER_USAGE_GPU_WRITE) {
+        domain |= RADEON_GEM_DOMAIN_VRAM;
+    }
+    if (usage & PIPE_BUFFER_USAGE_PIXEL) {
+        domain |= RADEON_GEM_DOMAIN_VRAM;
+    }
+    if (usage & PIPE_BUFFER_USAGE_VERTEX) {
+        domain |= RADEON_GEM_DOMAIN_GTT;
+    }
+    if (usage & PIPE_BUFFER_USAGE_INDEX) {
+        domain |= RADEON_GEM_DOMAIN_GTT;
+    }
+
+    return domain;
+}
+
+struct pb_buffer *radeon_drm_bufmgr_create_buffer_from_handle(struct pb_manager *_mgr,
+							      uint32_t handle)
+{
+    struct radeon_drm_bufmgr *mgr = radeon_drm_bufmgr(_mgr);
+    struct radeon_libdrm_winsys *rws = mgr->rws;
+    struct radeon_drm_buffer *buf;
+    struct radeon_bo *bo;
+
+    bo = radeon_bo_open(rws->bom, handle, 0,
+			0, 0, 0);
+    if (bo == NULL)
+	return NULL;
+
+    buf = CALLOC_STRUCT(radeon_drm_buffer);
+    if (!buf) {
+	radeon_bo_unref(bo);
+	return NULL;
+    }
+
+    make_empty_list(buf);
+
+    pipe_reference_init(&buf->base.base.reference, 1);
+    buf->base.base.alignment = 0;
+    buf->base.base.usage = PIPE_BUFFER_USAGE_PIXEL;
+    buf->base.base.size = 0;
+    buf->base.vtbl = &radeon_drm_buffer_vtbl;
+    buf->mgr = mgr;
+
+    buf->bo = bo;
+
+    return &buf->base;
+}
+
+static struct pb_buffer *
+radeon_drm_bufmgr_create_buffer(struct pb_manager *_mgr,
+				pb_size size,
+				const struct pb_desc *desc)
+{
+    struct radeon_drm_bufmgr *mgr = radeon_drm_bufmgr(_mgr);
+    struct radeon_libdrm_winsys *rws = mgr->rws;
+    struct radeon_drm_buffer *buf;
+    uint32_t domain;
+
+    buf = CALLOC_STRUCT(radeon_drm_buffer);
+    if (!buf)
+	goto error1;
+
+    pipe_reference_init(&buf->base.base.reference, 1);
+    buf->base.base.alignment = desc->alignment;
+    buf->base.base.usage = desc->usage;
+    buf->base.base.size = size;
+    buf->base.vtbl = &radeon_drm_buffer_vtbl;
+    buf->mgr = mgr;
+
+    make_empty_list(buf);
+    domain = radeon_domain_from_usage(desc->usage);
+    buf->bo = radeon_bo_open(rws->bom, 0, size,
+			     desc->alignment, domain, 0);
+    if (buf->bo == NULL)
+	goto error2;
+
+    return &buf->base;
+
+ error2:
+    FREE(buf);
+ error1:
+    return NULL; 
+}
+
+static void
+radeon_drm_bufmgr_flush(struct pb_manager *mgr)
+{
+    /* NOP */
+}
+
+static void
+radeon_drm_bufmgr_destroy(struct pb_manager *_mgr)
+{
+    struct radeon_drm_bufmgr *mgr = radeon_drm_bufmgr(_mgr);
+    FREE(mgr);
+}
+
+struct pb_manager *
+radeon_drm_bufmgr_create(struct radeon_libdrm_winsys *rws)
+{
+    struct radeon_drm_bufmgr *mgr;
+
+    mgr = CALLOC_STRUCT(radeon_drm_bufmgr);
+    if (!mgr)
+	return NULL;
+
+    mgr->base.destroy = radeon_drm_bufmgr_destroy;
+    mgr->base.create_buffer = radeon_drm_bufmgr_create_buffer;
+    mgr->base.flush = radeon_drm_bufmgr_flush;
+
+    mgr->rws = rws;
+    make_empty_list(&mgr->buffer_map_list);
+    return &mgr->base;
+}
+
+static struct radeon_drm_buffer *get_drm_buffer(struct pb_buffer *_buf)
+{
+    struct radeon_drm_buffer *buf;
+    if (_buf->vtbl == &radeon_drm_buffer_vtbl) {
+        buf = radeon_drm_buffer(_buf);
+    } else {
+	struct pb_buffer *base_buf;
+	pb_size offset;
+	pb_get_base_buffer(_buf, &base_buf, &offset);
+
+	buf = radeon_drm_buffer(base_buf);
+    }
+    return buf;
+}
+
+boolean radeon_drm_bufmgr_get_handle(struct pb_buffer *_buf,
+				     struct winsys_handle *whandle)
+{
+    int retval, fd;
+    struct drm_gem_flink flink;
+    struct radeon_drm_buffer *buf = get_drm_buffer(_buf);
+    if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
+	if (!buf->flinked) {
+	    fd = buf->mgr->rws->fd;
+	    flink.handle = buf->bo->handle;
+
+	    retval = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
+	    if (retval) {
+		return FALSE;
+	    }
+
+	    buf->flinked = TRUE;
+	    buf->flink = flink.name;
+	}
+	whandle->handle = buf->flink;
+    } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
+	whandle->handle = buf->bo->handle;
+    }
+    return TRUE;
+}
+					   
+
+void radeon_drm_bufmgr_set_tiling(struct pb_buffer *_buf,
+                                  enum r300_buffer_tiling microtiled,
+                                  enum r300_buffer_tiling macrotiled,
+                                  uint32_t pitch)
+{
+    struct radeon_drm_buffer *buf = get_drm_buffer(_buf);
+    uint32_t flags = 0, old_flags, old_pitch;
+    if (microtiled == R300_BUFFER_TILED)
+        flags |= RADEON_BO_FLAGS_MICRO_TILE;
+/* XXX Remove this ifdef when libdrm version 2.4.19 becomes mandatory. */
+#ifdef RADEON_BO_FLAGS_MICRO_TILE_SQUARE
+    else if (microtiled == R300_BUFFER_SQUARETILED)
+        flags |= RADEON_BO_FLAGS_MICRO_TILE_SQUARE;
+#endif
+    if (macrotiled == R300_BUFFER_TILED)
+        flags |= RADEON_BO_FLAGS_MACRO_TILE;
+
+    radeon_bo_get_tiling(buf->bo, &old_flags, &old_pitch);
+
+    if (flags != old_flags || pitch != old_pitch) {
+        /* Tiling determines how DRM treats the buffer data.
+         * We must flush CS when changing it if the buffer is referenced. */
+        if (radeon_bo_is_referenced_by_cs(buf->bo,  buf->mgr->rws->cs)) {
+	    buf->mgr->rws->flush_cb(buf->mgr->rws->flush_data);
+        }
+    }
+    radeon_bo_set_tiling(buf->bo, flags, pitch);
+
+}
+
+boolean radeon_drm_bufmgr_add_buffer(struct pb_buffer *_buf,
+				     uint32_t rd, uint32_t wd)
+{
+    struct radeon_drm_buffer *buf = get_drm_buffer(_buf);
+    radeon_cs_space_add_persistent_bo(buf->mgr->rws->cs, buf->bo,
+					  rd, wd);
+    return TRUE;
+}
+
+void radeon_drm_bufmgr_write_reloc(struct pb_buffer *_buf,
+				   uint32_t rd, uint32_t wd,
+				   uint32_t flags)
+{
+    struct radeon_drm_buffer *buf = get_drm_buffer(_buf);
+    int retval;
+
+    retval = radeon_cs_write_reloc(buf->mgr->rws->cs,
+				   buf->bo, rd, wd, flags);
+    if (retval) {
+        debug_printf("radeon: Relocation of %p (%d, %d, %d) failed!\n",
+		     buf, rd, wd, flags);
+    }
+}
+
+boolean radeon_drm_bufmgr_is_buffer_referenced(struct pb_buffer *_buf)
+{
+    struct radeon_drm_buffer *buf = get_drm_buffer(_buf);
+    uint32_t domain;
+
+    return (radeon_bo_is_referenced_by_cs(buf->bo, buf->mgr->rws->cs) ||
+	    radeon_bo_is_busy(buf->bo, &domain));
+}
+
+
+void radeon_drm_bufmgr_flush_maps(struct pb_manager *_mgr)
+{
+    struct radeon_drm_bufmgr *mgr = radeon_drm_bufmgr(_mgr);
+    struct radeon_drm_buffer *rpb, *t_rpb;
+
+    foreach_s(rpb, t_rpb, &mgr->buffer_map_list) {
+	radeon_bo_unmap(rpb->bo);
+	rpb->bo->ptr = NULL;
+	remove_from_list(rpb);
+    }
+
+    make_empty_list(&mgr->buffer_map_list);
+}
diff --git a/src/gallium/winsys/radeon/drm/radeon_r300.c b/src/gallium/winsys/radeon/drm/radeon_r300.c
new file mode 100644
index 0000000000..38fcf889c8
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_r300.c
@@ -0,0 +1,348 @@
+/*
+ * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 (including the next
+ * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. */
+
+#include "radeon_r300.h"
+#include "radeon_buffer.h"
+
+#include "radeon_bo_gem.h"
+#include "radeon_cs_gem.h"
+#include "state_tracker/drm_api.h"
+
+static struct r300_winsys_buffer *
+radeon_r300_winsys_buffer_create(struct r300_winsys_screen *rws,
+				 unsigned alignment,
+				 unsigned usage,
+				 unsigned size)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    struct pb_desc desc;
+    struct pb_manager *provider;
+    struct pb_buffer *buffer;
+
+    memset(&desc, 0, sizeof(desc));
+    desc.alignment = alignment;
+    desc.usage = usage;
+
+    if (usage & PIPE_BUFFER_USAGE_CONSTANT)
+        provider = ws->mman;
+    else if ((usage & PIPE_BUFFER_USAGE_VERTEX) ||
+	     (usage & PIPE_BUFFER_USAGE_INDEX))
+	provider = ws->cman;
+    else
+        provider = ws->kman;
+    buffer = provider->create_buffer(provider, size, &desc);
+    if (!buffer)
+	return NULL;
+
+    return radeon_libdrm_winsys_buffer(buffer);
+}
+
+static void radeon_r300_winsys_buffer_destroy(struct r300_winsys_buffer *buf)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+
+    pb_destroy(_buf);
+}
+static void radeon_r300_winsys_buffer_set_tiling(struct r300_winsys_screen *rws,
+						  struct r300_winsys_buffer *buf,
+						  uint32_t pitch,
+						  enum r300_buffer_tiling microtiled,
+						  enum r300_buffer_tiling macrotiled)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+    radeon_drm_bufmgr_set_tiling(_buf, microtiled, macrotiled, pitch);
+}
+
+static void *radeon_r300_winsys_buffer_map(struct r300_winsys_screen *ws,
+					   struct r300_winsys_buffer *buf,
+					   unsigned usage)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+    
+    return pb_map(_buf, usage);
+}
+
+static void radeon_r300_winsys_buffer_unmap(struct r300_winsys_screen *ws,
+					    struct r300_winsys_buffer *buf)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+
+    pb_unmap(_buf);
+}
+
+static void radeon_r300_winsys_buffer_reference(struct r300_winsys_screen *rws,
+						struct r300_winsys_buffer **pdst,
+						struct r300_winsys_buffer *src)
+{
+    struct pb_buffer *_src = radeon_pb_buffer(src);
+    struct pb_buffer *_dst = radeon_pb_buffer(*pdst);
+
+    pb_reference(&_dst, _src);
+
+    *pdst = radeon_libdrm_winsys_buffer(_dst);
+}
+
+static boolean radeon_r300_winsys_is_buffer_referenced(struct r300_winsys_screen *rws,
+						       struct r300_winsys_buffer *buf)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+
+    return radeon_drm_bufmgr_is_buffer_referenced(_buf);
+}
+
+static struct r300_winsys_buffer *radeon_r300_winsys_buffer_from_handle(struct r300_winsys_screen *rws,
+									struct pipe_screen *screen,
+									struct winsys_handle *whandle,
+									unsigned *stride)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    struct pb_buffer *_buf;
+
+    _buf = radeon_drm_bufmgr_create_buffer_from_handle(ws->kman, whandle->handle);
+    *stride = whandle->stride;
+    return radeon_libdrm_winsys_buffer(_buf);
+}
+
+static boolean radeon_r300_winsys_buffer_get_handle(struct r300_winsys_screen *rws,
+						    struct r300_winsys_buffer *buffer,
+						    unsigned stride,
+						    struct winsys_handle *whandle)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buffer);
+    boolean ret;
+    ret = radeon_drm_bufmgr_get_handle(_buf, whandle);
+    if (ret)
+	whandle->stride = stride;
+    return ret;
+}
+
+static void radeon_set_flush_cb(struct r300_winsys_screen *rws,
+                                void (*flush_cb)(void *),
+                                void *data)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    ws->flush_cb = flush_cb;
+    ws->flush_data = data;
+    radeon_cs_space_set_flush(ws->cs, flush_cb, data);
+}
+
+static boolean radeon_add_buffer(struct r300_winsys_screen *rws,
+                                 struct r300_winsys_buffer *buf,
+                                 uint32_t rd,
+                                 uint32_t wd)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+
+    return radeon_drm_bufmgr_add_buffer(_buf, rd, wd);
+}
+
+static boolean radeon_validate(struct r300_winsys_screen *rws)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    if (radeon_cs_space_check(ws->cs) < 0) {
+        return FALSE;
+    }
+
+    /* Things are fine, we can proceed as normal. */
+    return TRUE;
+}
+
+static boolean radeon_check_cs(struct r300_winsys_screen *rws, int size)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    struct radeon_cs *cs = ws->cs;
+
+    return radeon_validate(rws) && cs->cdw + size <= cs->ndw;
+}
+
+static void radeon_begin_cs(struct r300_winsys_screen *rws,
+                            int size,
+                            const char* file,
+                            const char* function,
+                            int line)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    radeon_cs_begin(ws->cs, size, file, function, line);
+}
+
+static void radeon_write_cs_dword(struct r300_winsys_screen *rws,
+                                  uint32_t dword)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    radeon_cs_write_dword(ws->cs, dword);
+}
+
+static void radeon_write_cs_reloc(struct r300_winsys_screen *rws,
+                                  struct r300_winsys_buffer *buf,
+                                  uint32_t rd,
+                                  uint32_t wd,
+                                  uint32_t flags)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+    radeon_drm_bufmgr_write_reloc(_buf, rd, wd, flags);
+}
+
+static void radeon_reset_bos(struct r300_winsys_screen *rws)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    radeon_cs_space_reset_bos(ws->cs);
+}
+
+static void radeon_end_cs(struct r300_winsys_screen *rws,
+                          const char* file,
+                          const char* function,
+                          int line)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    radeon_cs_end(ws->cs, file, function, line);
+}
+
+static void radeon_flush_cs(struct r300_winsys_screen *rws)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    int retval;
+
+    /* Don't flush a zero-sized CS. */
+    if (!ws->cs->cdw) {
+        return;
+    }
+
+    radeon_drm_bufmgr_flush_maps(ws->kman);
+    /* Emit the CS. */
+    retval = radeon_cs_emit(ws->cs);
+    if (retval) {
+        debug_printf("radeon: Bad CS, dumping...\n");
+        radeon_cs_print(ws->cs, stderr);
+    }
+
+    /* Reset CS.
+     * Someday, when we care about performance, we should really find a way
+     * to rotate between two or three CS objects so that the GPU can be
+     * spinning through one CS while another one is being filled. */
+    radeon_cs_erase(ws->cs);
+}
+
+static uint32_t radeon_get_value(struct r300_winsys_screen *rws,
+			     enum r300_value_id id)
+{
+    struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
+
+    switch(id) {
+    case R300_VID_PCI_ID:
+	return ws->pci_id;
+    case R300_VID_GB_PIPES:
+	return ws->gb_pipes;
+    case R300_VID_Z_PIPES:
+	return ws->z_pipes;
+    case R300_VID_SQUARE_TILING_SUPPORT:
+        return ws->squaretiling;
+    }
+    return 0;
+}
+
+static void
+radeon_winsys_destroy(struct r300_winsys_screen *rws)
+{
+    struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
+    radeon_cs_destroy(ws->cs);
+
+    ws->cman->destroy(ws->cman);
+    ws->kman->destroy(ws->kman);
+    ws->mman->destroy(ws->mman);
+
+    radeon_bo_manager_gem_dtor(ws->bom);
+    radeon_cs_manager_gem_dtor(ws->csm);
+}
+
+boolean
+radeon_setup_winsys(int fd, struct radeon_libdrm_winsys* ws)
+{
+    
+    ws->csm = radeon_cs_manager_gem_ctor(fd);
+    if (!ws->csm)
+	goto fail;
+    ws->bom = radeon_bo_manager_gem_ctor(fd);
+    if (!ws->bom)
+	goto fail;
+    ws->kman = radeon_drm_bufmgr_create(ws);
+    if (!ws->kman)
+	goto fail;
+
+    ws->cman = pb_cache_manager_create(ws->kman, 100000);
+    if (!ws->cman)
+	goto fail;
+
+    ws->mman = pb_malloc_bufmgr_create();
+    if (!ws->mman)
+	goto fail;
+
+    /* Size limit on IBs is 64 kibibytes. */
+    ws->cs = radeon_cs_create(ws->csm, 1024 * 64 / 4);
+    if (!ws->cs)
+	goto fail;
+    radeon_cs_set_limit(ws->cs,
+            RADEON_GEM_DOMAIN_GTT, ws->gart_size);
+    radeon_cs_set_limit(ws->cs,
+            RADEON_GEM_DOMAIN_VRAM, ws->vram_size);
+
+    ws->base.add_buffer = radeon_add_buffer;
+    ws->base.validate = radeon_validate;
+    ws->base.destroy = radeon_winsys_destroy;
+    ws->base.check_cs = radeon_check_cs;
+    ws->base.begin_cs = radeon_begin_cs;
+    ws->base.write_cs_dword = radeon_write_cs_dword;
+    ws->base.write_cs_reloc = radeon_write_cs_reloc;
+    ws->base.end_cs = radeon_end_cs;
+    ws->base.flush_cs = radeon_flush_cs;
+    ws->base.reset_bos = radeon_reset_bos;
+    ws->base.set_flush_cb = radeon_set_flush_cb;
+    ws->base.get_value = radeon_get_value;
+
+    ws->base.buffer_create = radeon_r300_winsys_buffer_create;
+    ws->base.buffer_destroy = radeon_r300_winsys_buffer_destroy;
+    ws->base.buffer_set_tiling = radeon_r300_winsys_buffer_set_tiling;
+    ws->base.buffer_map = radeon_r300_winsys_buffer_map;
+    ws->base.buffer_unmap = radeon_r300_winsys_buffer_unmap;
+    ws->base.buffer_reference = radeon_r300_winsys_buffer_reference;
+    ws->base.buffer_from_handle = radeon_r300_winsys_buffer_from_handle;
+    ws->base.buffer_get_handle = radeon_r300_winsys_buffer_get_handle;
+    ws->base.is_buffer_referenced = radeon_r300_winsys_is_buffer_referenced;
+    return TRUE;
+
+fail:
+    if (ws->csm)
+	radeon_cs_manager_gem_dtor(ws->csm);
+
+    if (ws->bom)
+	radeon_bo_manager_gem_dtor(ws->bom);
+
+    if (ws->cman)
+	ws->cman->destroy(ws->cman);
+    if (ws->kman)
+	ws->kman->destroy(ws->kman);
+    if (ws->mman)
+	ws->mman->destroy(ws->mman);
+
+    if (ws->cs)
+	radeon_cs_destroy(ws->cs);
+    return FALSE;
+}
diff --git a/src/gallium/winsys/radeon/drm/radeon_r300.h b/src/gallium/winsys/radeon/drm/radeon_r300.h
new file mode 100644
index 0000000000..2703464ad8
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_r300.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 (including the next
+ * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. */
+
+#ifndef RADEON_R300_H
+#define RADEON_R300_H
+
+#include "radeon_winsys.h"
+
+boolean radeon_setup_winsys(int fd, struct radeon_libdrm_winsys* winsys);
+
+#endif /* RADEON_R300_H */
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h b/src/gallium/winsys/radeon/drm/radeon_winsys.h
new file mode 100644
index 0000000000..4260dbaad7
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright © 2009 Corbin Simpson
+ * 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, sub license, 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 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
+ * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
+ * AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors:
+ *      Corbin Simpson <MostAwesomeDude@gmail.com>
+ */
+#ifndef RADEON_WINSYS_H
+#define RADEON_WINSYS_H
+
+#include "r300_winsys.h"
+
+struct radeon_libdrm_winsys {
+    /* Parent class. */
+    struct r300_winsys_screen base;
+
+    struct pb_manager *kman;
+
+    struct pb_manager *cman;
+
+    struct pb_manager *mman;
+
+    /* PCI ID */
+    uint32_t pci_id;
+
+    /* GB pipe count */
+    uint32_t gb_pipes;
+
+    /* Z pipe count (rv530 only) */
+    uint32_t z_pipes;
+
+    /* GART size. */
+    uint32_t gart_size;
+
+    /* VRAM size. */
+    uint32_t vram_size;
+
+    /* Square tiling support. */
+    boolean squaretiling;
+
+    /* DRM FD */
+    int fd;
+
+    /* Radeon BO manager. */
+    struct radeon_bo_manager *bom;
+
+    /* Radeon CS manager. */
+    struct radeon_cs_manager *csm;
+
+    /* Current CS. */
+    struct radeon_cs *cs;
+
+    /* Flush CB */
+    void (*flush_cb)(void *);
+    void *flush_data;
+};
+
+static INLINE struct radeon_libdrm_winsys *
+radeon_winsys_screen(struct r300_winsys_screen *base)
+{
+  return (struct radeon_libdrm_winsys *)base;
+}
+
+#endif