Move intel libdrm stuff to libdrm_intel.so

dri_bufmgr.h is replaced by intel_bufmgr.h, and several functions are renamed,
though the structures and many functions remain dri_bufmgr_* and dri_bo_*

6 files changed, 464 insertions, 145 deletions

diff --git a/libdrm/intel/Makefile.am b/libdrm/intel/Makefile.am
index 31a8512a..607c4765 100644
--- a/libdrm/intel/Makefile.am
+++ b/libdrm/intel/Makefile.am
@@ -25,11 +25,16 @@
 AM_CFLAGS = \
 	$(WARN_CFLAGS) \
 	-I$(top_srcdir)/libdrm \
+	-I$(top_srcdir)/libdrm/intel \
 	-I$(top_srcdir)/shared-core
 
-noinst_LTLIBRARIES = libdrm_intel.la
+libdrm_intel_la_LTLIBRARIES = libdrm_intel.la
+libdrm_intel_ladir = $(libdir)
+libdrm_intel_la_LDFLAGS = -version-number 1:0:0 -no-undefined
 
 libdrm_intel_la_SOURCES = \
+	intel_bufmgr.c \
+	intel_bufmgr_priv.h \
 	intel_bufmgr_fake.c \
 	intel_bufmgr_gem.c \
 	mm.c \
diff --git a/libdrm/intel/intel_bufmgr.c b/libdrm/intel/intel_bufmgr.c
new file mode 100644
index 00000000..5a9cdbe6
--- /dev/null
+++ b/libdrm/intel/intel_bufmgr.c
@@ -0,0 +1,192 @@
+/*
+ * Copyright © 2007 Intel Corporation
+ *
+ * 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:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <assert.h>
+#include <errno.h>
+#include <drm.h>
+#include <i915_drm.h>
+#include "intel_bufmgr.h"
+#include "intel_bufmgr_priv.h"
+
+/** @file dri_bufmgr.c
+ *
+ * Convenience functions for buffer management methods.
+ */
+
+dri_bo *
+dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size,
+	     unsigned int alignment)
+{
+   return bufmgr->bo_alloc(bufmgr, name, size, alignment);
+}
+
+void
+dri_bo_reference(dri_bo *bo)
+{
+   bo->bufmgr->bo_reference(bo);
+}
+
+void
+dri_bo_unreference(dri_bo *bo)
+{
+   if (bo == NULL)
+      return;
+
+   bo->bufmgr->bo_unreference(bo);
+}
+
+int
+dri_bo_map(dri_bo *buf, int write_enable)
+{
+   return buf->bufmgr->bo_map(buf, write_enable);
+}
+
+int
+dri_bo_unmap(dri_bo *buf)
+{
+   return buf->bufmgr->bo_unmap(buf);
+}
+
+int
+dri_bo_subdata(dri_bo *bo, unsigned long offset,
+	       unsigned long size, const void *data)
+{
+   int ret;
+   if (bo->bufmgr->bo_subdata)
+      return bo->bufmgr->bo_subdata(bo, offset, size, data);
+   if (size == 0 || data == NULL)
+      return 0;
+
+   ret = dri_bo_map(bo, 1);
+   if (ret)
+       return ret;
+   memcpy((unsigned char *)bo->virtual + offset, data, size);
+   dri_bo_unmap(bo);
+   return 0;
+}
+
+int
+dri_bo_get_subdata(dri_bo *bo, unsigned long offset,
+		   unsigned long size, void *data)
+{
+   int ret;
+   if (bo->bufmgr->bo_subdata)
+      return bo->bufmgr->bo_get_subdata(bo, offset, size, data);
+
+   if (size == 0 || data == NULL)
+      return 0;
+
+   ret = dri_bo_map(bo, 0);
+   if (ret)
+       return ret;
+   memcpy(data, (unsigned char *)bo->virtual + offset, size);
+   dri_bo_unmap(bo);
+   return 0;
+}
+
+void
+dri_bo_wait_rendering(dri_bo *bo)
+{
+   bo->bufmgr->bo_wait_rendering(bo);
+}
+
+void
+dri_bufmgr_destroy(dri_bufmgr *bufmgr)
+{
+   bufmgr->destroy(bufmgr);
+}
+
+void *dri_process_relocs(dri_bo *batch_buf)
+{
+   return batch_buf->bufmgr->process_relocs(batch_buf);
+}
+
+void dri_post_submit(dri_bo *batch_buf)
+{
+   batch_buf->bufmgr->post_submit(batch_buf);
+}
+
+void
+dri_bufmgr_set_debug(dri_bufmgr *bufmgr, int enable_debug)
+{
+   bufmgr->debug = enable_debug;
+}
+
+int
+dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count)
+{
+	return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
+}
+
+int
+dri_bo_flink(dri_bo *bo, uint32_t *name)
+{
+    if (bo->bufmgr->bo_flink)
+	return bo->bufmgr->bo_flink(bo, name);
+
+    return -ENODEV;
+}
+
+int
+dri_bo_emit_reloc(dri_bo *reloc_buf,
+		  uint32_t read_domains, uint32_t write_domain,
+		  uint32_t delta, uint32_t offset, dri_bo *target_buf)
+{
+    return reloc_buf->bufmgr->bo_emit_reloc(reloc_buf,
+					    read_domains, write_domain,
+					    delta, offset, target_buf);
+}
+
+int
+dri_bo_pin(dri_bo *bo, uint32_t alignment)
+{
+    if (bo->bufmgr->bo_pin)
+	return bo->bufmgr->bo_pin(bo, alignment);
+
+    return -ENODEV;
+}
+
+int
+dri_bo_unpin(dri_bo *bo)
+{
+    if (bo->bufmgr->bo_unpin)
+	return bo->bufmgr->bo_unpin(bo);
+
+    return -ENODEV;
+}
+
+int dri_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
+{
+    if (bo->bufmgr->bo_set_tiling)
+	return bo->bufmgr->bo_set_tiling(bo, tiling_mode);
+
+    *tiling_mode = I915_TILING_NONE;
+    return 0;
+}
diff --git a/libdrm/intel/intel_bufmgr.h b/libdrm/intel/intel_bufmgr.h
index 4d335210..0b473f3b 100644
--- a/libdrm/intel/intel_bufmgr.h
+++ b/libdrm/intel/intel_bufmgr.h
@@ -31,65 +31,65 @@
  * Public definitions of Intel-specific bufmgr functions.
  */
 
-#ifndef INTEL_BUFMGR_GEM_H
-#define INTEL_BUFMGR_GEM_H
+#ifndef INTEL_BUFMGR_H
+#define INTEL_BUFMGR_H
 
-#include "dri_bufmgr.h"
+#include <stdint.h>
 
-/**
- * Intel-specific bufmgr bits that follow immediately after the
- * generic bufmgr structure.
- */
-struct intel_bufmgr {
-    /**
-     * Add relocation entry in reloc_buf, which will be updated with the
-     * target buffer's real offset on on command submission.
-     *
-     * Relocations remain in place for the lifetime of the buffer object.
-     *
-     * \param reloc_buf Buffer to write the relocation into.
-     * \param read_domains GEM read domains which the buffer will be read into
-     *	      by the command that this relocation is part of.
-     * \param write_domains GEM read domains which the buffer will be dirtied
-     *	      in by the command that this relocation is part of.
-     * \param delta Constant value to be added to the relocation target's
-     *	       offset.
-     * \param offset Byte offset within batch_buf of the relocated pointer.
-     * \param target Buffer whose offset should be written into the relocation
-     *	     entry.
-     */
-    int (*emit_reloc)(dri_bo *reloc_buf,
-		      uint32_t read_domains, uint32_t write_domain,
-		      uint32_t delta, uint32_t offset, dri_bo *target);
-    /**
-     * Pin a buffer to the aperture and fix the offset until unpinned
-     *
-     * \param buf Buffer to pin
-     * \param alignment Required alignment for aperture, in bytes
-     */
-    int (*pin) (dri_bo *buf, uint32_t alignment);
+typedef struct _dri_bufmgr dri_bufmgr;
+typedef struct _dri_bo dri_bo;
+
+struct _dri_bo {
     /**
-     * Unpin a buffer from the aperture, allowing it to be removed
+     * Size in bytes of the buffer object.
      *
-     * \param buf Buffer to unpin
+     * The size may be larger than the size originally requested for the
+     * allocation, such as being aligned to page size.
      */
-    int (*unpin) (dri_bo *buf);
+    unsigned long size;
     /**
-     * Ask that the buffer be placed in tiling mode
-     *
-     * \param buf Buffer to set tiling mode for
-     * \param tiling_mode desired, and returned tiling mode
+     * Card virtual address (offset from the beginning of the aperture) for the
+     * object.  Only valid while validated.
      */
-    int (*set_tiling) (dri_bo *bo, uint32_t *tiling_mode);
+    unsigned long offset;
     /**
-     * Create a visible name for a buffer which can be used by other apps
-     *
-     * \param buf Buffer to create a name for
-     * \param name Returned name
+     * Virtual address for accessing the buffer data.  Only valid while mapped.
      */
-    int (*flink) (dri_bo *buf, uint32_t *name);
+    void *virtual;
+
+    /** Buffer manager context associated with this buffer object */
+    dri_bufmgr *bufmgr;
 };
 
+dri_bo *dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size,
+		     unsigned int alignment);
+void dri_bo_reference(dri_bo *bo);
+void dri_bo_unreference(dri_bo *bo);
+int dri_bo_map(dri_bo *buf, int write_enable);
+int dri_bo_unmap(dri_bo *buf);
+
+int dri_bo_subdata(dri_bo *bo, unsigned long offset,
+		   unsigned long size, const void *data);
+int dri_bo_get_subdata(dri_bo *bo, unsigned long offset,
+		       unsigned long size, void *data);
+void dri_bo_wait_rendering(dri_bo *bo);
+
+void dri_bufmgr_set_debug(dri_bufmgr *bufmgr, int enable_debug);
+void dri_bufmgr_destroy(dri_bufmgr *bufmgr);
+
+void *dri_process_relocs(dri_bo *batch_buf);
+void dri_post_process_relocs(dri_bo *batch_buf);
+void dri_post_submit(dri_bo *batch_buf);
+int dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count);
+
+int dri_bo_emit_reloc(dri_bo *reloc_buf,
+		      uint32_t read_domains, uint32_t write_domain,
+		      uint32_t delta, uint32_t offset, dri_bo *target_buf);
+int dri_bo_pin(dri_bo *buf, uint32_t alignment);
+int dri_bo_unpin(dri_bo *buf);
+int dri_bo_set_tiling(dri_bo *buf, uint32_t *tiling_mode);
+int dri_bo_flink(dri_bo *buf, uint32_t *name);
+
 /* intel_bufmgr_gem.c */
 dri_bufmgr *intel_bufmgr_gem_init(int fd, int batch_size);
 dri_bo *intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name,
@@ -106,25 +106,13 @@ dri_bufmgr *intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
 dri_bo *intel_bo_fake_alloc_static(dri_bufmgr *bufmgr, const char *name,
 				   unsigned long offset, unsigned long size,
 				   void *virtual);
-
-void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
 void intel_bo_fake_disable_backing_store(dri_bo *bo,
 					 void (*invalidate_cb)(dri_bo *bo,
 							       void *ptr),
 					 void *ptr);
-void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr);
-
-int intel_bo_emit_reloc(dri_bo *reloc_buf,
-			uint32_t read_domains, uint32_t write_domain,
-			uint32_t delta, uint32_t offset, dri_bo *target_buf);
-
-int intel_bo_pin(dri_bo *buf, uint32_t alignment);
-
-int intel_bo_unpin(dri_bo *buf);
 
-int intel_bo_set_tiling(dri_bo *buf, uint32_t *tiling_mode);
-
-int intel_bo_flink(dri_bo *buf, uint32_t *name);
+void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
+void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr);
 
-#endif /* INTEL_BUFMGR_GEM_H */
+#endif /* INTEL_BUFMGR_H */
 
diff --git a/libdrm/intel/intel_bufmgr_fake.c b/libdrm/intel/intel_bufmgr_fake.c
index e2dd9dc7..8e581aed 100644
--- a/libdrm/intel/intel_bufmgr_fake.c
+++ b/libdrm/intel/intel_bufmgr_fake.c
@@ -37,8 +37,9 @@
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
-#include "dri_bufmgr.h"
+#include <xf86drm.h>
 #include "intel_bufmgr.h"
+#include "intel_bufmgr_priv.h"
 #include "drm.h"
 #include "i915_drm.h"
 #include "mm.h"
@@ -105,7 +106,6 @@ struct block {
 
 typedef struct _bufmgr_fake {
    dri_bufmgr bufmgr;
-   struct intel_bufmgr intel_bufmgr;
 
    unsigned long low_offset;
    unsigned long size;
@@ -1216,12 +1216,12 @@ intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
    bufmgr_fake->bufmgr.bo_map = dri_fake_bo_map;
    bufmgr_fake->bufmgr.bo_unmap = dri_fake_bo_unmap;
    bufmgr_fake->bufmgr.bo_wait_rendering = dri_fake_bo_wait_rendering;
+   bufmgr_fake->bufmgr.bo_emit_reloc = dri_fake_emit_reloc;
    bufmgr_fake->bufmgr.destroy = dri_fake_destroy;
    bufmgr_fake->bufmgr.process_relocs = dri_fake_process_relocs;
    bufmgr_fake->bufmgr.post_submit = dri_fake_post_submit;
    bufmgr_fake->bufmgr.check_aperture_space = dri_fake_check_aperture_space;
    bufmgr_fake->bufmgr.debug = 0;
-   bufmgr_fake->intel_bufmgr.emit_reloc = dri_fake_emit_reloc;
 
    bufmgr_fake->fence_emit = fence_emit;
    bufmgr_fake->fence_wait = fence_wait;
diff --git a/libdrm/intel/intel_bufmgr_gem.c b/libdrm/intel/intel_bufmgr_gem.c
index 8634fdf8..43d2d986 100644
--- a/libdrm/intel/intel_bufmgr_gem.c
+++ b/libdrm/intel/intel_bufmgr_gem.c
@@ -44,8 +44,8 @@
 #include <sys/mman.h>
 
 #include "errno.h"
-#include "dri_bufmgr.h"
 #include "intel_bufmgr.h"
+#include "intel_bufmgr_priv.h"
 #include "string.h"
 
 #include "i915_drm.h"
@@ -76,8 +76,6 @@ struct dri_gem_bo_bucket {
 typedef struct _dri_bufmgr_gem {
     dri_bufmgr bufmgr;
 
-    struct intel_bufmgr intel_bufmgr;
-
     int fd;
 
     int max_relocs;
@@ -650,8 +648,8 @@ dri_bufmgr_gem_destroy(dri_bufmgr *bufmgr)
  * last known offset in target_bo.
  */
 static int
-dri_gem_emit_reloc(dri_bo *bo, uint32_t read_domains, uint32_t write_domain,
-		   uint32_t delta, uint32_t offset, dri_bo *target_bo)
+dri_gem_bo_emit_reloc(dri_bo *bo, uint32_t read_domains, uint32_t write_domain,
+		      uint32_t delta, uint32_t offset, dri_bo *target_bo)
 {
     dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
     dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
@@ -775,7 +773,7 @@ dri_gem_post_submit(dri_bo *batch_buf)
 }
 
 static int
-dri_gem_pin(dri_bo *bo, uint32_t alignment)
+dri_gem_bo_pin(dri_bo *bo, uint32_t alignment)
 {
     dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
     dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
@@ -794,7 +792,7 @@ dri_gem_pin(dri_bo *bo, uint32_t alignment)
 }
 
 static int
-dri_gem_unpin(dri_bo *bo)
+dri_gem_bo_unpin(dri_bo *bo)
 {
     dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
     dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
@@ -811,7 +809,7 @@ dri_gem_unpin(dri_bo *bo)
 }
 
 static int
-dri_gem_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
+dri_gem_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
 {
     dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
     dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
@@ -832,7 +830,7 @@ dri_gem_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
 }
 
 static int
-dri_gem_flink(dri_bo *bo, uint32_t *name)
+dri_gem_bo_flink(dri_bo *bo, uint32_t *name)
 {
     dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
     dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
@@ -910,16 +908,16 @@ intel_bufmgr_gem_init(int fd, int batch_size)
     bufmgr_gem->bufmgr.bo_subdata = dri_gem_bo_subdata;
     bufmgr_gem->bufmgr.bo_get_subdata = dri_gem_bo_get_subdata;
     bufmgr_gem->bufmgr.bo_wait_rendering = dri_gem_bo_wait_rendering;
+    bufmgr_gem->bufmgr.bo_emit_reloc = dri_gem_bo_emit_reloc;
+    bufmgr_gem->bufmgr.bo_pin = dri_gem_bo_pin;
+    bufmgr_gem->bufmgr.bo_unpin = dri_gem_bo_unpin;
+    bufmgr_gem->bufmgr.bo_set_tiling = dri_gem_bo_set_tiling;
+    bufmgr_gem->bufmgr.bo_flink = dri_gem_bo_flink;
     bufmgr_gem->bufmgr.destroy = dri_bufmgr_gem_destroy;
     bufmgr_gem->bufmgr.process_relocs = dri_gem_process_reloc;
     bufmgr_gem->bufmgr.post_submit = dri_gem_post_submit;
     bufmgr_gem->bufmgr.debug = 0;
     bufmgr_gem->bufmgr.check_aperture_space = dri_gem_check_aperture_space;
-    bufmgr_gem->intel_bufmgr.emit_reloc = dri_gem_emit_reloc;
-    bufmgr_gem->intel_bufmgr.pin = dri_gem_pin;
-    bufmgr_gem->intel_bufmgr.unpin = dri_gem_unpin;
-    bufmgr_gem->intel_bufmgr.set_tiling = dri_gem_set_tiling;
-    bufmgr_gem->intel_bufmgr.flink = dri_gem_flink;
     /* Initialize the linked lists for BO reuse cache. */
     for (i = 0; i < INTEL_GEM_BO_BUCKETS; i++)
 	bufmgr_gem->cache_bucket[i].tail = &bufmgr_gem->cache_bucket[i].head;
@@ -927,67 +925,3 @@ intel_bufmgr_gem_init(int fd, int batch_size)
     return &bufmgr_gem->bufmgr;
 }
 
-int
-intel_bo_emit_reloc(dri_bo *reloc_buf,
-		    uint32_t read_domains, uint32_t write_domain,
-		    uint32_t delta, uint32_t offset, dri_bo *target_buf)
-{
-    struct intel_bufmgr *intel_bufmgr;
-
-    intel_bufmgr = (struct intel_bufmgr *)(reloc_buf->bufmgr + 1);
-
-    return intel_bufmgr->emit_reloc(reloc_buf, read_domains, write_domain,
-				    delta, offset, target_buf);
-}
-
-int
-intel_bo_pin(dri_bo *bo, uint32_t alignment)
-{
-    struct intel_bufmgr *intel_bufmgr;
-
-    intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
-
-    if (intel_bufmgr->pin)
-	return intel_bufmgr->pin(bo, alignment);
-
-    return 0;
-}
-
-int
-intel_bo_unpin(dri_bo *bo)
-{
-    struct intel_bufmgr *intel_bufmgr;
-
-    intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
-
-    if (intel_bufmgr->unpin)
-	return intel_bufmgr->unpin(bo);
-
-    return 0;
-}
-
-int intel_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
-{
-    struct intel_bufmgr *intel_bufmgr;
-
-    intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
-
-    if (intel_bufmgr->set_tiling)
-	return intel_bufmgr->set_tiling (bo, tiling_mode);
-
-    *tiling_mode = I915_TILING_NONE;
-    return 0;
-}
-
-int intel_bo_flink(dri_bo *bo, uint32_t *name)
-{
-    struct intel_bufmgr *intel_bufmgr;
-
-    intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
-
-    if (intel_bufmgr->flink)
-	return intel_bufmgr->flink (bo, name);
-
-    return -ENODEV;
-}
-
diff --git a/libdrm/intel/intel_bufmgr_priv.h b/libdrm/intel/intel_bufmgr_priv.h
new file mode 100644
index 00000000..92476aec
--- /dev/null
+++ b/libdrm/intel/intel_bufmgr_priv.h
@@ -0,0 +1,200 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * 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:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+/**
+ * @file intel_bufmgr_priv.h
+ *
+ * Private definitions of Intel-specific bufmgr functions and structures.
+ */
+
+#ifndef INTEL_BUFMGR_PRIV_H
+#define INTEL_BUFMGR_PRIV_H
+
+/**
+ * Context for a buffer manager instance.
+ *
+ * Contains public methods followed by private storage for the buffer manager.
+ */
+struct _dri_bufmgr {
+   /**
+    * Allocate a buffer object.
+    *
+    * Buffer objects are not necessarily initially mapped into CPU virtual
+    * address space or graphics device aperture.  They must be mapped using
+    * bo_map() to be used by the CPU, and validated for use using bo_validate()
+    * to be used from the graphics device.
+    */
+   dri_bo *(*bo_alloc)(dri_bufmgr *bufmgr_ctx, const char *name,
+		       unsigned long size, unsigned int alignment);
+
+   /** Takes a reference on a buffer object */
+   void (*bo_reference)(dri_bo *bo);
+
+   /**
+    * Releases a reference on a buffer object, freeing the data if
+    * rerefences remain.
+    */
+   void (*bo_unreference)(dri_bo *bo);
+
+   /**
+    * Maps the buffer into userspace.
+    *
+    * This function will block waiting for any existing execution on the
+    * buffer to complete, first.  The resulting mapping is available at
+    * buf->virtual.
+    */
+   int (*bo_map)(dri_bo *buf, int write_enable);
+
+   /** Reduces the refcount on the userspace mapping of the buffer object. */
+   int (*bo_unmap)(dri_bo *buf);
+
+   /**
+    * Write data into an object.
+    *
+    * This is an optional function, if missing,
+    * dri_bo will map/memcpy/unmap.
+    */
+   int (*bo_subdata) (dri_bo *buf, unsigned long offset,
+		      unsigned long size, const void *data);
+
+   /**
+    * Read data from an object
+    *
+    * This is an optional function, if missing,
+    * dri_bo will map/memcpy/unmap.
+    */
+   int (*bo_get_subdata) (dri_bo *bo, unsigned long offset,
+			  unsigned long size, void *data);
+
+   /**
+    * Waits for rendering to an object by the GPU to have completed.
+    *
+    * This is not required for any access to the BO by bo_map, bo_subdata, etc.
+    * It is merely a way for the driver to implement glFinish.
+    */
+   void (*bo_wait_rendering) (dri_bo *bo);
+
+   /**
+    * Tears down the buffer manager instance.
+    */
+   void (*destroy)(dri_bufmgr *bufmgr);
+
+   /**
+    * Processes the relocations, either in userland or by converting the list
+    * for use in batchbuffer submission.
+    *
+    * Kernel-based implementations will return a pointer to the arguments
+    * to be handed with batchbuffer submission to the kernel.  The userland
+    * implementation performs the buffer validation and emits relocations
+    * into them the appopriate order.
+    *
+    * \param batch_buf buffer at the root of the tree of relocations
+    * \return argument to be completed and passed to the execbuffers ioctl
+    *   (if any).
+    */
+   void *(*process_relocs)(dri_bo *batch_buf);
+
+   void (*post_submit)(dri_bo *batch_buf);
+
+    /**
+     * Add relocation entry in reloc_buf, which will be updated with the
+     * target buffer's real offset on on command submission.
+     *
+     * Relocations remain in place for the lifetime of the buffer object.
+     *
+     * \param reloc_buf Buffer to write the relocation into.
+     * \param read_domains GEM read domains which the buffer will be read into
+     *	      by the command that this relocation is part of.
+     * \param write_domains GEM read domains which the buffer will be dirtied
+     *	      in by the command that this relocation is part of.
+     * \param delta Constant value to be added to the relocation target's
+     *	       offset.
+     * \param offset Byte offset within batch_buf of the relocated pointer.
+     * \param target Buffer whose offset should be written into the relocation
+     *	     entry.
+     */
+    int (*bo_emit_reloc)(dri_bo *reloc_buf,
+			 uint32_t read_domains, uint32_t write_domain,
+			 uint32_t delta, uint32_t offset, dri_bo *target);
+    /**
+     * Pin a buffer to the aperture and fix the offset until unpinned
+     *
+     * \param buf Buffer to pin
+     * \param alignment Required alignment for aperture, in bytes
+     */
+    int (*bo_pin) (dri_bo *buf, uint32_t alignment);
+    /**
+     * Unpin a buffer from the aperture, allowing it to be removed
+     *
+     * \param buf Buffer to unpin
+     */
+    int (*bo_unpin) (dri_bo *buf);
+    /**
+     * Ask that the buffer be placed in tiling mode
+     *
+     * \param buf Buffer to set tiling mode for
+     * \param tiling_mode desired, and returned tiling mode
+     */
+    int (*bo_set_tiling) (dri_bo *bo, uint32_t *tiling_mode);
+    /**
+     * Create a visible name for a buffer which can be used by other apps
+     *
+     * \param buf Buffer to create a name for
+     * \param name Returned name
+     */
+    int (*bo_flink) (dri_bo *buf, uint32_t *name);
+
+    int (*check_aperture_space)(dri_bo **bo_array, int count);
+    int debug; /**< Enables verbose debugging printouts */
+};
+
+/* intel_bufmgr_gem.c */
+dri_bufmgr *intel_bufmgr_gem_init(int fd, int batch_size);
+dri_bo *intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name,
+				      unsigned int handle);
+void intel_bufmgr_gem_enable_reuse(dri_bufmgr *bufmgr);
+
+/* intel_bufmgr_fake.c */
+dri_bufmgr *intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
+				   unsigned long size,
+				   unsigned int (*fence_emit)(void *private),
+				   int (*fence_wait)(void *private,
+						     unsigned int cookie),
+				   void *driver_priv);
+dri_bo *intel_bo_fake_alloc_static(dri_bufmgr *bufmgr, const char *name,
+				   unsigned long offset, unsigned long size,
+				   void *virtual);
+
+void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
+void intel_bo_fake_disable_backing_store(dri_bo *bo,
+					 void (*invalidate_cb)(dri_bo *bo,
+							       void *ptr),
+					 void *ptr);
+void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr);
+
+#endif /* INTEL_BUFMGR_PRIV_H */
+