libdrm/radeon: add initial libdrm_radeon

requires --enable-radeon-experimental-api for now

10 files changed, 1535 insertions, 0 deletions

diff --git a/libdrm/radeon/Makefile.am b/libdrm/radeon/Makefile.am
new file mode 100644
index 00000000..bc8a5b87
--- /dev/null
+++ b/libdrm/radeon/Makefile.am
@@ -0,0 +1,53 @@
+# Copyright © 2008 Jérôme Glisse
+#
+# 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 (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 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.
+#
+# Authors:
+#    Jérôme Glisse <glisse@freedesktop.org>
+
+AM_CFLAGS = \
+	$(WARN_CFLAGS) \
+	-I$(top_srcdir)/libdrm \
+	-I$(top_srcdir)/libdrm/radeon \
+	$(PTHREADSTUBS_CFLAGS) \
+	-I$(top_srcdir)/shared-core
+
+libdrm_radeon_la_LTLIBRARIES = libdrm_radeon.la
+libdrm_radeon_ladir = $(libdir)
+libdrm_radeon_la_LDFLAGS = -version-number 1:0:0 -no-undefined
+libdrm_radeon_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
+
+libdrm_radeon_la_SOURCES = \
+	radeon_bo_gem.c \
+	radeon_cs_gem.c \
+	radeon_track.c
+
+libdrm_radeonincludedir = ${includedir}/drm
+libdrm_radeoninclude_HEADERS = \
+	radeon_bo.h \
+	radeon_cs.h \
+	radeon_bo_gem.h \
+	radeon_cs_gem.h \
+	radeon_track.h
+
+pkgconfigdir = @pkgconfigdir@
+pkgconfig_DATA = libdrm_radeon.pc
+
+EXTRA_DIST = libdrm_radeon.pc.in
diff --git a/libdrm/radeon/libdrm_radeon.pc.in b/libdrm/radeon/libdrm_radeon.pc.in
new file mode 100644
index 00000000..33068448
--- /dev/null
+++ b/libdrm/radeon/libdrm_radeon.pc.in
@@ -0,0 +1,10 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libdrm_radeon
+Description: Userspace interface to kernel DRM services for radeon
+Version: 1.0.1
+Libs: -L${libdir} -ldrm_radeon
+Cflags: -I${includedir} -I${includedir}/drm
diff --git a/libdrm/radeon/radeon_bo.h b/libdrm/radeon/radeon_bo.h
new file mode 100644
index 00000000..3cabdfc4
--- /dev/null
+++ b/libdrm/radeon/radeon_bo.h
@@ -0,0 +1,179 @@
+/* 
+ * 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_BO_H
+#define RADEON_BO_H
+
+#include <stdio.h>
+#include <stdint.h>
+#include "radeon_track.h"
+
+/* bo object */
+#define RADEON_BO_FLAGS_MACRO_TILE  1
+#define RADEON_BO_FLAGS_MICRO_TILE  2
+
+struct radeon_bo_manager;
+
+struct radeon_bo {
+    uint32_t                    alignment;
+    uint32_t                    handle;
+    uint32_t                    size;
+    uint32_t                    domains;
+    uint32_t                    flags;
+    unsigned                    cref;
+#ifdef RADEON_BO_TRACK
+    struct radeon_track         *track;
+#endif
+    void                        *ptr;
+    struct radeon_bo_manager    *bom;
+    uint32_t                    space_accounted;
+};
+
+/* bo functions */
+struct radeon_bo_funcs {
+    struct radeon_bo *(*bo_open)(struct radeon_bo_manager *bom,
+                                 uint32_t handle,
+                                 uint32_t size,
+                                 uint32_t alignment,
+                                 uint32_t domains,
+                                 uint32_t flags);
+    void (*bo_ref)(struct radeon_bo *bo);
+    struct radeon_bo *(*bo_unref)(struct radeon_bo *bo);
+    int (*bo_map)(struct radeon_bo *bo, int write);
+    int (*bo_unmap)(struct radeon_bo *bo);
+    int (*bo_wait)(struct radeon_bo *bo);
+};
+
+struct radeon_bo_manager {
+    struct radeon_bo_funcs  *funcs;
+    int                     fd;
+    struct radeon_tracker   tracker;
+};
+    
+static inline void _radeon_bo_debug(struct radeon_bo *bo,
+                                    const char *op,
+                                    const char *file,
+                                    const char *func,
+                                    int line)
+{
+    fprintf(stderr, "%s %p 0x%08X 0x%08X 0x%08X [%s %s %d]\n",
+            op, bo, bo->handle, bo->size, bo->cref, file, func, line);
+}
+
+static inline struct radeon_bo *_radeon_bo_open(struct radeon_bo_manager *bom,
+                                                uint32_t handle,
+                                                uint32_t size,
+                                                uint32_t alignment,
+                                                uint32_t domains,
+                                                uint32_t flags,
+                                                const char *file,
+                                                const char *func,
+                                                int line)
+{
+    struct radeon_bo *bo;
+
+    bo = bom->funcs->bo_open(bom, handle, size, alignment, domains, flags);
+#ifdef RADEON_BO_TRACK
+    if (bo) {
+        bo->track = radeon_tracker_add_track(&bom->tracker, bo->handle);
+        radeon_track_add_event(bo->track, file, func, "open", line);
+    }
+#endif
+    return bo;
+}
+
+static inline void _radeon_bo_ref(struct radeon_bo *bo,
+                                  const char *file,
+                                  const char *func,
+                                  int line)
+{
+    bo->cref++;
+#ifdef RADEON_BO_TRACK
+    radeon_track_add_event(bo->track, file, func, "ref", line); 
+#endif
+    bo->bom->funcs->bo_ref(bo);
+}
+
+static inline struct radeon_bo *_radeon_bo_unref(struct radeon_bo *bo,
+                                                 const char *file,
+                                                 const char *func,
+                                                 int line)
+{
+    bo->cref--;
+#ifdef RADEON_BO_TRACK
+    radeon_track_add_event(bo->track, file, func, "unref", line);
+    if (bo->cref <= 0) {
+        radeon_tracker_remove_track(&bo->bom->tracker, bo->track);
+        bo->track = NULL;
+    }
+#endif
+    return bo->bom->funcs->bo_unref(bo);
+}
+
+static inline int _radeon_bo_map(struct radeon_bo *bo,
+                                 int write,
+                                 const char *file,
+                                 const char *func,
+                                 int line)
+{
+    return bo->bom->funcs->bo_map(bo, write);
+}
+
+static inline int _radeon_bo_unmap(struct radeon_bo *bo,
+                                   const char *file,
+                                   const char *func,
+                                   int line)
+{
+    return bo->bom->funcs->bo_unmap(bo);
+}
+
+static inline int _radeon_bo_wait(struct radeon_bo *bo,
+                                  const char *file,
+                                  const char *func,
+                                  int line)
+{
+    return bo->bom->funcs->bo_wait(bo);
+}
+
+#define radeon_bo_open(bom, h, s, a, d, f)\
+    _radeon_bo_open(bom, h, s, a, d, f, __FILE__, __FUNCTION__, __LINE__)
+#define radeon_bo_ref(bo)\
+    _radeon_bo_ref(bo, __FILE__, __FUNCTION__, __LINE__)
+#define radeon_bo_unref(bo)\
+    _radeon_bo_unref(bo, __FILE__, __FUNCTION__, __LINE__)
+#define radeon_bo_map(bo, w)\
+    _radeon_bo_map(bo, w, __FILE__, __FUNCTION__, __LINE__)
+#define radeon_bo_unmap(bo)\
+    _radeon_bo_unmap(bo, __FILE__, __FUNCTION__, __LINE__)
+#define radeon_bo_debug(bo, opcode)\
+    _radeon_bo_debug(bo, opcode, __FILE__, __FUNCTION__, __LINE__)
+#define radeon_bo_wait(bo) \
+    _radeon_bo_wait(bo, __FILE__, __func__, __LINE__)
+
+#endif
diff --git a/libdrm/radeon/radeon_bo_gem.c b/libdrm/radeon/radeon_bo_gem.c
new file mode 100644
index 00000000..78439b29
--- /dev/null
+++ b/libdrm/radeon/radeon_bo_gem.c
@@ -0,0 +1,254 @@
+/* 
+ * Copyright © 2008 Dave Airlie
+ * 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:
+ *      Dave Airlie
+ *      Jérôme Glisse <glisse@freedesktop.org>
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include "xf86drm.h"
+#include "drm.h"
+#include "radeon_drm.h"
+#include "radeon_bo.h"
+#include "radeon_bo_gem.h"
+
+struct radeon_bo_gem {
+    struct radeon_bo    base;
+    uint32_t            name;
+    int                 map_count;
+};
+
+struct bo_manager_gem {
+    struct radeon_bo_manager    base;
+};
+
+static struct radeon_bo *bo_open(struct radeon_bo_manager *bom,
+                                 uint32_t handle,
+                                 uint32_t size,
+                                 uint32_t alignment,
+                                 uint32_t domains,
+                                 uint32_t flags)
+{
+    struct radeon_bo_gem *bo;
+    int r;
+
+    bo = (struct radeon_bo_gem*)calloc(1, sizeof(struct radeon_bo_gem));
+    if (bo == NULL) {
+        return NULL;
+    }
+
+    bo->base.bom = bom;
+    bo->base.handle = 0;
+    bo->base.size = size;
+    bo->base.alignment = alignment;
+    bo->base.domains = domains;
+    bo->base.flags = flags;
+    bo->base.ptr = NULL;
+    bo->map_count = 0;
+    if (handle) {
+        struct drm_gem_open open_arg;
+
+        memset(&open_arg, 0, sizeof(open_arg));
+        open_arg.name = handle;
+        r = ioctl(bom->fd, DRM_IOCTL_GEM_OPEN, &open_arg);
+        if (r != 0) {
+            free(bo);
+            return NULL;
+        }
+        bo->base.handle = open_arg.handle;
+        bo->base.size = open_arg.size;
+        bo->name = handle;
+    } else {
+        struct drm_radeon_gem_create args;
+
+        args.size = size;
+        args.alignment = alignment;
+        args.initial_domain = bo->base.domains;
+        args.flags = 0;
+        args.handle = 0;
+        r = drmCommandWriteRead(bom->fd, DRM_RADEON_GEM_CREATE,
+                                &args, sizeof(args));
+        bo->base.handle = args.handle;
+        if (r) {
+            fprintf(stderr, "Failed to allocate :\n");
+            fprintf(stderr, "   size      : %d bytes\n", size);
+            fprintf(stderr, "   alignment : %d bytes\n", alignment);
+            fprintf(stderr, "   domains   : %d\n", bo->base.domains);
+            free(bo);
+            return NULL;
+        }
+    }
+    radeon_bo_ref((struct radeon_bo*)bo);
+    return (struct radeon_bo*)bo;
+}
+
+static void bo_ref(struct radeon_bo *bo)
+{
+}
+
+static struct radeon_bo *bo_unref(struct radeon_bo *bo)
+{
+    struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
+    struct drm_gem_close args;
+
+    if (bo == NULL) {
+        return NULL;
+    }
+    if (bo->cref) {
+        return bo;
+    }
+    if (bo_gem->map_count) {
+        munmap(bo->ptr, bo->size);
+    }
+
+    /* close object */
+    args.handle = bo->handle;
+    ioctl(bo->bom->fd, DRM_IOCTL_GEM_CLOSE, &args);
+    memset(bo_gem, 0, sizeof(struct radeon_bo_gem));
+    free(bo_gem);
+    return NULL;
+}
+
+static int bo_map(struct radeon_bo *bo, int write)
+{
+    struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
+    struct drm_radeon_gem_mmap args;
+    int r;
+    void *ptr;
+
+    if (bo_gem->map_count++ != 0) {
+        return 0;
+    }
+    bo->ptr = NULL;
+    args.handle = bo->handle;
+    args.offset = 0;
+    args.size = (uint64_t)bo->size;
+    r = drmCommandWriteRead(bo->bom->fd,
+                            DRM_RADEON_GEM_MMAP,
+                            &args,
+                            sizeof(args));
+    if (r) {
+        fprintf(stderr, "error mapping %p 0x%08X (error = %d)\n",
+                bo, bo->handle, r);
+        return r;
+    }
+    ptr = mmap(0, args.size, PROT_READ|PROT_WRITE, MAP_SHARED, bo->bom->fd, args.addr_ptr);
+    if (ptr == MAP_FAILED)
+        return -errno;
+    bo->ptr = ptr;
+
+    return r;
+}
+
+static int bo_unmap(struct radeon_bo *bo)
+{
+    struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
+
+    if (--bo_gem->map_count > 0) {
+        return 0;
+    }
+    munmap(bo->ptr, bo->size);
+    bo->ptr = NULL;
+    return 0;
+}
+
+static int bo_wait(struct radeon_bo *bo)
+{
+    struct drm_radeon_gem_wait_idle args;
+    int ret;
+
+    args.handle = bo->handle;
+    do {
+        ret = drmCommandWriteRead(bo->bom->fd, DRM_RADEON_GEM_WAIT_IDLE,
+                                  &args, sizeof(args));
+    } while (ret == -EBUSY);
+    return ret;
+}
+
+static struct radeon_bo_funcs bo_gem_funcs = {
+    bo_open,
+    bo_ref,
+    bo_unref,
+    bo_map,
+    bo_unmap,
+    bo_wait
+};
+
+struct radeon_bo_manager *radeon_bo_manager_gem_ctor(int fd)
+{
+    struct bo_manager_gem *bomg;
+
+    bomg = (struct bo_manager_gem*)calloc(1, sizeof(struct bo_manager_gem));
+    if (bomg == NULL) {
+        return NULL;
+    }
+    bomg->base.funcs = &bo_gem_funcs;
+    bomg->base.fd = fd;
+    return (struct radeon_bo_manager*)bomg;
+}
+
+void radeon_bo_manager_gem_dtor(struct radeon_bo_manager *bom)
+{
+    struct bo_manager_gem *bomg = (struct bo_manager_gem*)bom;
+
+    if (bom == NULL) {
+        return;
+    }
+    free(bomg);
+}
+
+uint32_t radeon_gem_name_bo(struct radeon_bo *bo)
+{
+    struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
+    return bo_gem->name;
+}
+
+int radeon_gem_set_domain(struct radeon_bo *bo, uint32_t read_domains, uint32_t write_domain)
+{
+    struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
+    struct drm_radeon_gem_set_domain args;
+    int r;
+
+    args.handle = bo->handle;
+    args.read_domains = read_domains;
+    args.write_domain = write_domain;
+
+    r = drmCommandWriteRead(bo->bom->fd,
+                            DRM_RADEON_GEM_SET_DOMAIN,
+                            &args,
+                            sizeof(args));
+    return r;
+}
diff --git a/libdrm/radeon/radeon_bo_gem.h b/libdrm/radeon/radeon_bo_gem.h
new file mode 100644
index 00000000..9d9ce02c
--- /dev/null
+++ b/libdrm/radeon/radeon_bo_gem.h
@@ -0,0 +1,42 @@
+/* 
+ * Copyright © 2008 Dave Airlie
+ * 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:
+ *      Dave Airlie
+ *      Jérôme Glisse <glisse@freedesktop.org>
+ */
+#ifndef RADEON_BO_GEM_H
+#define RADEON_BO_GEM_H
+
+#include "radeon_bo.h"
+
+struct radeon_bo_manager *radeon_bo_manager_gem_ctor(int fd);
+void radeon_bo_manager_gem_dtor(struct radeon_bo_manager *bom);
+
+uint32_t radeon_gem_name_bo(struct radeon_bo *bo);
+int radeon_gem_set_domain(struct radeon_bo *bo, uint32_t read_domains, uint32_t write_domain);
+#endif
diff --git a/libdrm/radeon/radeon_cs.h b/libdrm/radeon/radeon_cs.h
new file mode 100644
index 00000000..d8709619
--- /dev/null
+++ b/libdrm/radeon/radeon_cs.h
@@ -0,0 +1,208 @@
+/* 
+ * Copyright © 2008 Nicolai Haehnle
+ * 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:
+ *      Aapo Tahkola <aet@rasterburn.org>
+ *      Nicolai Haehnle <prefect_@gmx.net>
+ *      Jérôme Glisse <glisse@freedesktop.org>
+ */
+#ifndef RADEON_CS_H
+#define RADEON_CS_H
+
+#include <stdint.h>
+#include <string.h>
+#include "drm.h"
+#include "radeon_drm.h"
+#include "radeon_bo.h"
+
+struct radeon_cs_reloc {
+    struct radeon_bo    *bo;
+    uint32_t            read_domain;
+    uint32_t            write_domain;
+    uint32_t            flags;
+};
+
+
+#define RADEON_CS_SPACE_OK 0
+#define RADEON_CS_SPACE_OP_TO_BIG 1
+#define RADEON_CS_SPACE_FLUSH 2
+
+struct radeon_cs_space_check {
+    struct radeon_bo *bo;
+    uint32_t read_domains;
+    uint32_t write_domain;
+    uint32_t new_accounted;
+};
+
+struct radeon_cs_manager;
+
+struct radeon_cs {
+    struct radeon_cs_manager    *csm;
+    void                        *relocs;
+    uint32_t                    *packets;
+    unsigned                    crelocs;
+    unsigned                    relocs_total_size;
+    unsigned                    cdw;
+    unsigned                    ndw;
+    int                         section;
+    unsigned                    section_ndw;
+    unsigned                    section_cdw;
+    const char                  *section_file;
+    const char                  *section_func;
+    int                         section_line;
+
+};
+
+/* cs functions */
+struct radeon_cs_funcs {
+    struct radeon_cs *(*cs_create)(struct radeon_cs_manager *csm,
+                                   uint32_t ndw);
+    int (*cs_write_reloc)(struct radeon_cs *cs,
+                          struct radeon_bo *bo,
+                          uint32_t read_domain,
+                          uint32_t write_domain,
+                          uint32_t flags);
+    int (*cs_begin)(struct radeon_cs *cs,
+                    uint32_t ndw,
+                    const char *file,
+                    const char *func,
+                    int line);
+    int (*cs_end)(struct radeon_cs *cs,
+                  const char *file,
+                  const char *func,
+                  int line);
+    int (*cs_emit)(struct radeon_cs *cs);
+    int (*cs_destroy)(struct radeon_cs *cs);
+    int (*cs_erase)(struct radeon_cs *cs);
+    int (*cs_need_flush)(struct radeon_cs *cs);
+    void (*cs_print)(struct radeon_cs *cs, FILE *file);
+    int (*cs_space_check)(struct radeon_cs *cs, struct radeon_cs_space_check *bos,
+			  int num_bo);
+};
+
+struct radeon_cs_manager {
+    struct radeon_cs_funcs  *funcs;
+    int                     fd;
+    uint32_t vram_limit, gart_limit;
+    uint32_t vram_write_used, gart_write_used;
+    uint32_t read_used;
+};
+
+static inline struct radeon_cs *radeon_cs_create(struct radeon_cs_manager *csm,
+                                                 uint32_t ndw)
+{
+    return csm->funcs->cs_create(csm, ndw);
+}
+
+static inline int radeon_cs_write_reloc(struct radeon_cs *cs,
+                                        struct radeon_bo *bo,
+                                        uint32_t read_domain,
+                                        uint32_t write_domain,
+                                        uint32_t flags)
+{
+    return cs->csm->funcs->cs_write_reloc(cs,
+                                          bo,
+                                          read_domain,
+                                          write_domain,
+                                          flags);
+}
+
+static inline int radeon_cs_begin(struct radeon_cs *cs,
+                                  uint32_t ndw,
+                                  const char *file,
+                                  const char *func,
+                                  int line)
+{
+    return cs->csm->funcs->cs_begin(cs, ndw, file, func, line);
+}
+
+static inline int radeon_cs_end(struct radeon_cs *cs,
+                                const char *file,
+                                const char *func,
+                                int line)
+{
+    return cs->csm->funcs->cs_end(cs, file, func, line);
+}
+
+static inline int radeon_cs_emit(struct radeon_cs *cs)
+{
+    return cs->csm->funcs->cs_emit(cs);
+}
+
+static inline int radeon_cs_destroy(struct radeon_cs *cs)
+{
+    return cs->csm->funcs->cs_destroy(cs);
+}
+
+static inline int radeon_cs_erase(struct radeon_cs *cs)
+{
+    return cs->csm->funcs->cs_erase(cs);
+}
+
+static inline int radeon_cs_need_flush(struct radeon_cs *cs)
+{
+    return cs->csm->funcs->cs_need_flush(cs);
+}
+
+static inline void radeon_cs_print(struct radeon_cs *cs, FILE *file)
+{
+    cs->csm->funcs->cs_print(cs, file);
+}
+
+static inline int radeon_cs_space_check(struct radeon_cs *cs,
+					    struct radeon_cs_space_check *bos,
+					    int num_bo)
+{
+    return cs->csm->funcs->cs_space_check(cs, bos, num_bo);
+}
+
+static inline void radeon_cs_set_limit(struct radeon_cs *cs, uint32_t domain, uint32_t limit)
+{
+    
+    if (domain == RADEON_GEM_DOMAIN_VRAM)
+	cs->csm->vram_limit = limit;
+    else
+	cs->csm->gart_limit = limit;
+}
+
+static inline void radeon_cs_write_dword(struct radeon_cs *cs, uint32_t dword)
+{
+    cs->packets[cs->cdw++] = dword;
+    if (cs->section) {
+        cs->section_cdw++;
+    }
+}
+
+static inline void radeon_cs_write_qword(struct radeon_cs *cs, uint64_t qword)
+{
+    memcpy(cs->packets + cs->cdw, &qword, sizeof(uint64_t));
+    cs->cdw += 2;
+    if (cs->section) {
+        cs->section_cdw += 2;
+    }
+}
+
+#endif
diff --git a/libdrm/radeon/radeon_cs_gem.c b/libdrm/radeon/radeon_cs_gem.c
new file mode 100644
index 00000000..b9f6f4b7
--- /dev/null
+++ b/libdrm/radeon/radeon_cs_gem.c
@@ -0,0 +1,544 @@
+/* 
+ * 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:
+ *      Aapo Tahkola <aet@rasterburn.org>
+ *      Nicolai Haehnle <prefect_@gmx.net>
+ *      Jérôme Glisse <glisse@freedesktop.org>
+ */
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include "radeon_cs.h"
+#include "radeon_cs_gem.h"
+#include "radeon_bo_gem.h"
+#include "drm.h"
+#include "xf86drm.h"
+#include "radeon_drm.h"
+
+#pragma pack(1)
+struct cs_reloc_gem {
+    uint32_t    handle;
+    uint32_t    read_domain;
+    uint32_t    write_domain;
+    uint32_t    flags;
+};
+
+#pragma pack()
+#define RELOC_SIZE (sizeof(struct cs_reloc_gem) / sizeof(uint32_t))
+
+struct cs_gem {
+    struct radeon_cs            base;
+    struct drm_radeon_cs        cs;
+    struct drm_radeon_cs_chunk  chunks[2];
+    unsigned                    nrelocs;
+    uint32_t                    *relocs;
+    struct radeon_bo            **relocs_bo;
+};
+
+static struct radeon_cs *cs_gem_create(struct radeon_cs_manager *csm,
+                                       uint32_t ndw)
+{
+    struct cs_gem *csg;
+
+    /* max cmd buffer size is 64Kb */
+    if (ndw > (64 * 1024 / 4)) {
+        return NULL;
+    }
+    csg = (struct cs_gem*)calloc(1, sizeof(struct cs_gem));
+    if (csg == NULL) {
+        return NULL;
+    }
+    csg->base.csm = csm;
+    csg->base.ndw = 64 * 1024 / 4;
+    csg->base.packets = (uint32_t*)calloc(1, 64 * 1024);
+    if (csg->base.packets == NULL) {
+        free(csg);
+        return NULL;
+    }
+    csg->base.relocs_total_size = 0;
+    csg->base.crelocs = 0;
+    csg->nrelocs = 4096 / (4 * 4) ;
+    csg->relocs_bo = (struct radeon_bo**)calloc(1,
+                                                csg->nrelocs*sizeof(void*));
+    if (csg->relocs_bo == NULL) {
+        free(csg->base.packets);
+        free(csg);
+        return NULL;
+    }
+    csg->base.relocs = csg->relocs = (uint32_t*)calloc(1, 4096);
+    if (csg->relocs == NULL) {
+        free(csg->relocs_bo);
+        free(csg->base.packets);
+        free(csg);
+        return NULL;
+    }
+    csg->chunks[0].chunk_id = RADEON_CHUNK_ID_IB;
+    csg->chunks[0].length_dw = 0;
+    csg->chunks[0].chunk_data = (uint64_t)(intptr_t)csg->base.packets;
+    csg->chunks[1].chunk_id = RADEON_CHUNK_ID_RELOCS;
+    csg->chunks[1].length_dw = 0;
+    csg->chunks[1].chunk_data = (uint64_t)(intptr_t)csg->relocs;
+    return (struct radeon_cs*)csg;
+}
+
+static int cs_gem_write_reloc(struct radeon_cs *cs,
+                              struct radeon_bo *bo,
+                              uint32_t read_domain,
+                              uint32_t write_domain,
+                              uint32_t flags)
+{
+    struct cs_gem *csg = (struct cs_gem*)cs;
+    struct cs_reloc_gem *reloc;
+    uint32_t idx;
+    unsigned i;
+
+    assert(bo->space_accounted);
+
+    /* check domains */
+    if ((read_domain && write_domain) || (!read_domain && !write_domain)) {
+        /* in one CS a bo can only be in read or write domain but not
+         * in read & write domain at the same sime
+         */
+        return -EINVAL;
+    }
+    if (read_domain == RADEON_GEM_DOMAIN_CPU) {
+        return -EINVAL;
+    }
+    if (write_domain == RADEON_GEM_DOMAIN_CPU) {
+        return -EINVAL;
+    }
+    /* check if bo is already referenced */
+    for(i = 0; i < cs->crelocs; i++) {
+        idx = i * RELOC_SIZE;
+        reloc = (struct cs_reloc_gem*)&csg->relocs[idx];
+        if (reloc->handle == bo->handle) {
+            /* Check domains must be in read or write. As we check already
+             * checked that in argument one of the read or write domain was
+             * set we only need to check that if previous reloc as the read
+             * domain set then the read_domain should also be set for this
+             * new relocation.
+             */
+            if (reloc->read_domain && !read_domain) {
+                return -EINVAL;
+            }
+            if (reloc->write_domain && !write_domain) {
+                return -EINVAL;
+            }
+            reloc->read_domain |= read_domain;
+            reloc->write_domain |= write_domain;
+            /* update flags */
+            reloc->flags |= (flags & reloc->flags);
+            /* write relocation packet */
+            radeon_cs_write_dword(cs, 0xc0001000);
+            radeon_cs_write_dword(cs, idx);
+            return 0;
+        }
+    }
+    /* new relocation */
+    if (csg->base.crelocs >= csg->nrelocs) {
+        /* allocate more memory (TODO: should use a slab allocatore maybe) */
+        uint32_t *tmp, size;
+        size = ((csg->nrelocs + 1) * sizeof(struct radeon_bo*));
+        tmp = (uint32_t*)realloc(csg->relocs_bo, size);
+        if (tmp == NULL) {
+            return -ENOMEM;
+        }
+        csg->relocs_bo = (struct radeon_bo**)tmp;
+        size = ((csg->nrelocs + 1) * RELOC_SIZE * 4);
+        tmp = (uint32_t*)realloc(csg->relocs, size);
+        if (tmp == NULL) {
+            return -ENOMEM;
+        }
+        cs->relocs = csg->relocs = tmp;
+        csg->nrelocs += 1;
+        csg->chunks[1].chunk_data = (uint64_t)(intptr_t)csg->relocs;
+    }
+    csg->relocs_bo[csg->base.crelocs] = bo;
+    idx = (csg->base.crelocs++) * RELOC_SIZE;
+    reloc = (struct cs_reloc_gem*)&csg->relocs[idx];
+    reloc->handle = bo->handle;
+    reloc->read_domain = read_domain;
+    reloc->write_domain = write_domain;
+    reloc->flags = flags;
+    csg->chunks[1].length_dw += RELOC_SIZE;
+    radeon_bo_ref(bo);
+    cs->relocs_total_size += bo->size;
+    radeon_cs_write_dword(cs, 0xc0001000);
+    radeon_cs_write_dword(cs, idx);
+    return 0;
+}
+
+static int cs_gem_begin(struct radeon_cs *cs,
+                        uint32_t ndw,
+                        const char *file,
+                        const char *func,
+                        int line)
+{
+
+    if (cs->section) {
+        fprintf(stderr, "CS already in a section(%s,%s,%d)\n",
+                cs->section_file, cs->section_func, cs->section_line);
+        fprintf(stderr, "CS can't start section(%s,%s,%d)\n",
+                file, func, line);
+        return -EPIPE;
+    }
+    cs->section = 1;
+    cs->section_ndw = ndw;
+    cs->section_cdw = 0;
+    cs->section_file = file;
+    cs->section_func = func;
+    cs->section_line = line;
+
+
+    if (cs->cdw + ndw > cs->ndw) {
+        uint32_t tmp, *ptr;
+	int num = (ndw > 0x3FF) ? ndw : 0x3FF;
+
+        tmp = (cs->cdw + 1 + num) & (~num);
+        ptr = (uint32_t*)realloc(cs->packets, 4 * tmp);
+        if (ptr == NULL) {
+            return -ENOMEM;
+        }
+        cs->packets = ptr;
+        cs->ndw = tmp;
+    }
+
+    return 0;
+}
+
+static int cs_gem_end(struct radeon_cs *cs,
+                      const char *file,
+                      const char *func,
+                      int line)
+
+{
+    if (!cs->section) {
+        fprintf(stderr, "CS no section to end at (%s,%s,%d)\n",
+                file, func, line);
+        return -EPIPE;
+    }
+    cs->section = 0;
+    if (cs->section_ndw != cs->section_cdw) {
+        fprintf(stderr, "CS section size missmatch start at (%s,%s,%d) %d vs %d\n",
+                cs->section_file, cs->section_func, cs->section_line, cs->section_ndw, cs->section_cdw);
+        fprintf(stderr, "CS section end at (%s,%s,%d)\n",
+                file, func, line);
+        return -EPIPE;
+    }
+    return 0;
+}
+
+static int cs_gem_emit(struct radeon_cs *cs)
+{
+    struct cs_gem *csg = (struct cs_gem*)cs;
+    uint64_t chunk_array[2];
+    unsigned i;
+    int r;
+
+    csg->chunks[0].length_dw = cs->cdw;
+
+    chunk_array[0] = (uint64_t)(intptr_t)&csg->chunks[0];
+    chunk_array[1] = (uint64_t)(intptr_t)&csg->chunks[1];
+
+    csg->cs.num_chunks = 2;
+    csg->cs.chunks = (uint64_t)(intptr_t)chunk_array;
+
+    r = drmCommandWriteRead(cs->csm->fd, DRM_RADEON_CS,
+                            &csg->cs, sizeof(struct drm_radeon_cs));
+    for (i = 0; i < csg->base.crelocs; i++) {
+	    csg->relocs_bo[i]->space_accounted = 0;
+	    radeon_bo_unref(csg->relocs_bo[i]);
+	    csg->relocs_bo[i] = NULL;
+    }
+
+    cs->csm->read_used = 0;
+    cs->csm->vram_write_used = 0;
+    cs->csm->gart_write_used = 0;
+    return r;
+}
+
+static int cs_gem_destroy(struct radeon_cs *cs)
+{
+    struct cs_gem *csg = (struct cs_gem*)cs;
+
+    free(csg->relocs_bo);
+    free(cs->relocs);
+    free(cs->packets);
+    free(cs);
+    return 0;
+}
+
+static int cs_gem_erase(struct radeon_cs *cs)
+{
+    struct cs_gem *csg = (struct cs_gem*)cs;
+    unsigned i;
+
+    if (csg->relocs_bo) {
+        for (i = 0; i < csg->base.crelocs; i++) {
+            if (csg->relocs_bo[i]) {
+                radeon_bo_unref(csg->relocs_bo[i]);
+                csg->relocs_bo[i] = NULL;
+            }
+        }
+    }
+    cs->relocs_total_size = 0;
+    cs->cdw = 0;
+    cs->section = 0;
+    cs->crelocs = 0;
+    csg->chunks[0].length_dw = 0;
+    csg->chunks[1].length_dw = 0;
+    return 0;
+}
+
+static int cs_gem_need_flush(struct radeon_cs *cs)
+{
+    return 0; //(cs->relocs_total_size > (32*1024*1024));
+}
+
+#define PACKET_TYPE0 0
+#define PACKET_TYPE1 1
+#define PACKET_TYPE2 2
+#define PACKET_TYPE3 3
+  
+#define PACKET3_NOP 0x10
+#define PACKET3_SET_SCISSORS 0x1E
+#define PACKET3_3D_DRAW_VBUF 0x28
+#define PACKET3_3D_DRAW_IMMD 0x29
+#define PACKET3_3D_DRAW_INDX 0x2A
+#define PACKET3_3D_LOAD_VBPNTR 0x2F
+#define PACKET3_INDX_BUFFER 0x33
+#define PACKET3_3D_DRAW_VBUF_2 0x34
+#define PACKET3_3D_DRAW_IMMD_2 0x35
+#define PACKET3_3D_DRAW_INDX_2 0x36
+ 
+#define CP_PACKET_GET_TYPE(h) (((h) >> 30) & 3)
+#define CP_PACKET_GET_COUNT(h) (((h) >> 16) & 0x3FFF)
+#define CP_PACKET0_GET_REG(h) (((h) & 0x1FFF) << 2)
+#define CP_PACKET0_GET_ONE_REG_WR(h) (((h) >> 15) & 1)
+#define CP_PACKET3_GET_OPCODE(h) (((h) >> 8) & 0xFF)
+
+static void cs_gem_print(struct radeon_cs *cs, FILE *file)
+{
+    unsigned opcode;
+    unsigned reg;
+    unsigned cnt;
+    int i, j;
+
+    for (i = 0; i < cs->cdw;) {
+        cnt = CP_PACKET_GET_COUNT(cs->packets[i]);
+        switch (CP_PACKET_GET_TYPE(cs->packets[i])) {
+        case PACKET_TYPE0:
+            fprintf(file, "Pkt0 at %d (%d dwords):\n", i, cnt + 1);
+            reg = CP_PACKET0_GET_REG(cs->packets[i]);
+            if (CP_PACKET0_GET_ONE_REG_WR(cs->packets[i++])) {
+                for (j = 0; j <= cnt; j++) {
+                    fprintf(file, "    0x%08X -> 0x%04X\n",
+                            cs->packets[i++], reg);
+                }
+            } else {
+                for (j = 0; j <= cnt; j++) {
+                    fprintf(file, "    0x%08X -> 0x%04X\n",
+                            cs->packets[i++], reg);
+                    reg += 4;
+                }
+            }
+            break;
+        case PACKET_TYPE3:
+            fprintf(file, "Pkt3 at %d :\n", i);
+            opcode = CP_PACKET3_GET_OPCODE(cs->packets[i++]);
+            switch (opcode) {
+            case PACKET3_NOP:
+                fprintf(file, "    PACKET3_NOP:\n");
+                break;
+            case PACKET3_3D_DRAW_VBUF:
+                fprintf(file, "    PACKET3_3D_DRAW_VBUF:\n");
+                break;
+            case PACKET3_3D_DRAW_IMMD:
+                fprintf(file, "    PACKET3_3D_DRAW_IMMD:\n");
+                break;
+            case PACKET3_3D_DRAW_INDX:
+                fprintf(file, "    PACKET3_3D_DRAW_INDX:\n");
+                break;
+            case PACKET3_3D_LOAD_VBPNTR:
+                fprintf(file, "    PACKET3_3D_LOAD_VBPNTR:\n");
+                break;
+            case PACKET3_INDX_BUFFER:
+                fprintf(file, "    PACKET3_INDX_BUFFER:\n");
+                break;
+            case PACKET3_3D_DRAW_VBUF_2:
+                fprintf(file, "    PACKET3_3D_DRAW_VBUF_2:\n");
+                break;
+            case PACKET3_3D_DRAW_IMMD_2:
+                fprintf(file, "    PACKET3_3D_DRAW_IMMD_2:\n");
+                break;
+            case PACKET3_3D_DRAW_INDX_2:
+                fprintf(file, "    PACKET3_3D_DRAW_INDX_2:\n");
+                break;
+            default:
+                fprintf(file, "Unknow opcode 0x%02X at %d\n", opcode, i);
+                return;
+            }
+            for (j = 0; j <= cnt; j++) {
+                fprintf(file, "        0x%08X\n", cs->packets[i++]);
+            }
+            break;
+        case PACKET_TYPE1:
+        case PACKET_TYPE2:
+        default:
+            fprintf(file, "Unknow packet 0x%08X at %d\n", cs->packets[i], i);
+            return;
+        }
+    }
+}
+
+static int cs_gem_check_space(struct radeon_cs *cs, struct radeon_cs_space_check *bos, int num_bo)
+{
+    struct radeon_cs_manager *csm = cs->csm;
+    int this_op_read = 0, this_op_gart_write = 0, this_op_vram_write = 0;
+    uint32_t read_domains, write_domain;
+    int i;
+    struct radeon_bo *bo;
+
+    /* check the totals for this operation */
+
+    if (num_bo == 0)
+        return 0;
+
+    /* prepare */
+    for (i = 0; i < num_bo; i++) {
+      bo = bos[i].bo;
+
+      bos[i].new_accounted = 0;
+      read_domains = bos[i].read_domains;
+      write_domain = bos[i].write_domain;
+		
+      /* already accounted this bo */
+      if (write_domain && (write_domain == bo->space_accounted)) {
+	      bos[i].new_accounted = bo->space_accounted;
+	      continue;
+      }
+      if (read_domains && ((read_domains << 16) == bo->space_accounted)) {
+	      bos[i].new_accounted = bo->space_accounted;
+	      continue;
+      }
+      
+      if (bo->space_accounted == 0) {
+	  if (write_domain == RADEON_GEM_DOMAIN_VRAM)
+	      this_op_vram_write += bo->size;
+	  else if (write_domain == RADEON_GEM_DOMAIN_GTT)
+	      this_op_gart_write += bo->size;
+	  else
+	      this_op_read += bo->size;
+	  bos[i].new_accounted = (read_domains << 16) | write_domain;
+      } else {
+	  uint16_t old_read, old_write;
+	  
+	  old_read = bo->space_accounted >> 16;
+	  old_write = bo->space_accounted & 0xffff;
+
+	  if (write_domain && (old_read & write_domain)) {
+	      bos[i].new_accounted = write_domain;
+	      /* moving from read to a write domain */
+	      if (write_domain == RADEON_GEM_DOMAIN_VRAM) {
+		  this_op_read -= bo->size;
+		  this_op_vram_write += bo->size;
+	      } else if (write_domain == RADEON_GEM_DOMAIN_VRAM) {
+		  this_op_read -= bo->size;
+		  this_op_gart_write += bo->size;
+	      }
+	  } else if (read_domains & old_write) {
+	      bos[i].new_accounted = bo->space_accounted & 0xffff;
+	  } else {
+	      /* rewrite the domains */
+	      if (write_domain != old_write)
+		  fprintf(stderr,"WRITE DOMAIN RELOC FAILURE 0x%x %d %d\n", bo->handle, write_domain, old_write);
+	      if (read_domains != old_read)
+		  fprintf(stderr,"READ DOMAIN RELOC FAILURE 0x%x %d %d\n", bo->handle, read_domains, old_read);
+	      return RADEON_CS_SPACE_FLUSH;
+	  }
+      }
+    }
+	
+    if (this_op_read < 0)
+	    this_op_read = 0;
+
+    /* check sizes - operation first */
+    if ((this_op_read + this_op_gart_write > csm->gart_limit) ||
+	(this_op_vram_write > csm->vram_limit)) {
+	    return RADEON_CS_SPACE_OP_TO_BIG;
+    }
+    
+    if (((csm->vram_write_used + this_op_vram_write) > csm->vram_limit) ||
+	((csm->read_used + csm->gart_write_used + this_op_gart_write + this_op_read) > csm->gart_limit)) {
+	    return RADEON_CS_SPACE_FLUSH;
+    }
+    
+    csm->gart_write_used += this_op_gart_write;
+    csm->vram_write_used += this_op_vram_write;
+    csm->read_used += this_op_read;
+    /* commit */
+    for (i = 0; i < num_bo; i++) {
+	    bo = bos[i].bo;
+	    bo->space_accounted = bos[i].new_accounted;
+    }
+    
+    return RADEON_CS_SPACE_OK;
+}
+
+static struct radeon_cs_funcs radeon_cs_gem_funcs = {
+    cs_gem_create,
+    cs_gem_write_reloc,
+    cs_gem_begin,
+    cs_gem_end,
+    cs_gem_emit,
+    cs_gem_destroy,
+    cs_gem_erase,
+    cs_gem_need_flush,
+    cs_gem_print,
+    cs_gem_check_space,
+};
+
+struct radeon_cs_manager *radeon_cs_manager_gem_ctor(int fd)
+{
+    struct radeon_cs_manager *csm;
+
+    csm = (struct radeon_cs_manager*)calloc(1,
+                                            sizeof(struct radeon_cs_manager));
+    if (csm == NULL) {
+        return NULL;
+    }
+    csm->funcs = &radeon_cs_gem_funcs;
+    csm->fd = fd;
+    return csm;
+}
+
+void radeon_cs_manager_gem_dtor(struct radeon_cs_manager *csm)
+{
+    free(csm);
+}
diff --git a/libdrm/radeon/radeon_cs_gem.h b/libdrm/radeon/radeon_cs_gem.h
new file mode 100644
index 00000000..5efd146f
--- /dev/null
+++ b/libdrm/radeon/radeon_cs_gem.h
@@ -0,0 +1,41 @@
+/* 
+ * Copyright © 2008 Nicolai Haehnle
+ * 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:
+ *      Aapo Tahkola <aet@rasterburn.org>
+ *      Nicolai Haehnle <prefect_@gmx.net>
+ *      Jérôme Glisse <glisse@freedesktop.org>
+ */
+#ifndef RADEON_CS_GEM_H
+#define RADEON_CS_GEM_H
+
+#include "radeon_cs.h"
+
+struct radeon_cs_manager *radeon_cs_manager_gem_ctor(int fd);
+void radeon_cs_manager_gem_dtor(struct radeon_cs_manager *csm);
+
+#endif
diff --git a/libdrm/radeon/radeon_track.c b/libdrm/radeon/radeon_track.c
new file mode 100644
index 00000000..1623906f
--- /dev/null
+++ b/libdrm/radeon/radeon_track.c
@@ -0,0 +1,140 @@
+/* 
+ * 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>
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "radeon_track.h"
+
+void radeon_track_add_event(struct radeon_track *track,
+                            const char *file,
+                            const char *func,
+                            const char *op,
+                            unsigned line)
+{
+    struct radeon_track_event *event;
+
+    if (track == NULL) {
+        return;
+    }
+    event = (void*)calloc(1,sizeof(struct radeon_track_event));
+    if (event == NULL) {
+        return;
+    }
+    event->line = line;
+    event->file = strdup(file);
+    event->func = strdup(func);
+    event->op = strdup(op);
+    if (event->file == NULL || event->func == NULL || event->op == NULL) {
+        free(event->file);
+        free(event->func);
+        free(event->op);
+        free(event);
+        return;
+    }
+    event->next = track->events;
+    track->events = event;
+}
+
+struct radeon_track *radeon_tracker_add_track(struct radeon_tracker *tracker,
+                                              unsigned key)
+{
+    struct radeon_track *track;
+
+    track = (struct radeon_track*)calloc(1, sizeof(struct radeon_track));
+    if (track) {
+        track->next = tracker->tracks.next;
+        track->prev = &tracker->tracks;
+        tracker->tracks.next = track;
+        if (track->next) {
+            track->next->prev = track;
+        }
+        track->key = key;
+        track->events = NULL;
+    }
+    return track;
+}
+
+void radeon_tracker_remove_track(struct radeon_tracker *tracker,
+                                 struct radeon_track *track)
+{
+    struct radeon_track_event *event;
+    void *tmp;
+
+    if (track == NULL) {
+        return;
+    }
+    track->prev->next = track->next;
+    if (track->next) {
+        track->next->prev = track->prev;
+    }
+    track->next = track->prev = NULL;
+    event = track->events;
+    while (event) {
+        tmp = event;
+        free(event->file);
+        free(event->func);
+        free(event->op);
+        event = event->next;
+        free(tmp);
+    }
+    track->events = NULL;
+    free(track);
+}
+
+void radeon_tracker_print(struct radeon_tracker *tracker, FILE *file)
+{
+    struct radeon_track *track;
+    struct radeon_track_event *event;
+    void *tmp;
+
+    track = tracker->tracks.next;
+    while (track) {
+        event = track->events;
+        fprintf(file, "[0x%08X] :\n", track->key);
+        while (event) {
+            tmp = event;
+            fprintf(file, "  [0x%08X:%s](%s:%s:%d)\n",
+                    track->key, event->op,  event->file,
+                    event->func, event->line);
+            free(event->file);
+            free(event->func);
+            free(event->op);
+            event->file = NULL;
+            event->func = NULL;
+            event->op = NULL;
+            event = event->next;
+            free(tmp);
+        }
+        track->events = NULL;
+        tmp = track;
+        track = track->next;
+        free(tmp);
+    }
+}
diff --git a/libdrm/radeon/radeon_track.h b/libdrm/radeon/radeon_track.h
new file mode 100644
index 00000000..838d1f38
--- /dev/null
+++ b/libdrm/radeon/radeon_track.h
@@ -0,0 +1,64 @@
+/* 
+ * 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_TRACK_H
+#define RADEON_TRACK_H
+
+struct radeon_track_event {
+    struct radeon_track_event   *next;
+    char                        *file;
+    char                        *func;
+    char                        *op;
+    unsigned                    line;
+};
+
+struct radeon_track {
+    struct radeon_track         *next;
+    struct radeon_track         *prev;
+    unsigned                    key;
+    struct radeon_track_event   *events;
+};
+
+struct radeon_tracker {
+    struct radeon_track         tracks; 
+};
+
+void radeon_track_add_event(struct radeon_track *track,
+                            const char *file,
+                            const char *func,
+                            const char *op,
+                            unsigned line);
+struct radeon_track *radeon_tracker_add_track(struct radeon_tracker *tracker,
+                                              unsigned key);
+void radeon_tracker_remove_track(struct radeon_tracker *tracker,
+                                 struct radeon_track *track);
+void radeon_tracker_print(struct radeon_tracker *tracker,
+                          FILE *file);
+
+#endif