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/*
* 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.h
*
* Public definitions of Intel-specific bufmgr functions.
*/
#ifndef INTEL_BUFMGR_H
#define INTEL_BUFMGR_H
#include <stdint.h>
typedef struct _drm_intel_bufmgr drm_intel_bufmgr;
typedef struct _drm_intel_bo drm_intel_bo;
struct _drm_intel_bo {
/**
* Size in bytes of the buffer object.
*
* The size may be larger than the size originally requested for the
* allocation, such as being aligned to page size.
*/
unsigned long size;
/**
* Alignment requirement for object
*
* Used for GTT mapping & pinning the object.
*/
unsigned long align;
/**
* Card virtual address (offset from the beginning of the aperture) for the
* object. Only valid while validated.
*/
unsigned long offset;
/**
* Virtual address for accessing the buffer data. Only valid while mapped.
*/
void *virtual;
/** Buffer manager context associated with this buffer object */
drm_intel_bufmgr *bufmgr;
/**
* MM-specific handle for accessing object
*/
int handle;
};
drm_intel_bo *drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name,
unsigned long size, unsigned int alignment);
drm_intel_bo *drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr,
const char *name,
unsigned long size,
unsigned int alignment);
void drm_intel_bo_reference(drm_intel_bo *bo);
void drm_intel_bo_unreference(drm_intel_bo *bo);
int drm_intel_bo_map(drm_intel_bo *bo, int write_enable);
int drm_intel_bo_unmap(drm_intel_bo *bo);
int drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset,
unsigned long size, const void *data);
int drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset,
unsigned long size, void *data);
void drm_intel_bo_wait_rendering(drm_intel_bo *bo);
void drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug);
void drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr);
int drm_intel_bo_exec(drm_intel_bo *bo, int used,
drm_clip_rect_t *cliprects, int num_cliprects,
int DR4);
int drm_intel_bufmgr_check_aperture_space(drm_intel_bo **bo_array, int count);
int drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset,
drm_intel_bo *target_bo, uint32_t target_offset,
uint32_t read_domains, uint32_t write_domain);
int drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment);
int drm_intel_bo_unpin(drm_intel_bo *bo);
int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
uint32_t stride);
int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
uint32_t *swizzle_mode);
int drm_intel_bo_flink(drm_intel_bo *bo, uint32_t *name);
/* drm_intel_bufmgr_gem.c */
drm_intel_bufmgr *drm_intel_bufmgr_gem_init(int fd, int batch_size);
drm_intel_bo *drm_intel_bo_gem_create_from_name(drm_intel_bufmgr *bufmgr,
const char *name,
unsigned int handle);
void drm_intel_bufmgr_gem_enable_reuse(drm_intel_bufmgr *bufmgr);
int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo);
int drm_intel_gem_bo_unmap_gtt(drm_intel_bo *bo);
void drm_intel_gem_bo_start_gtt_access(drm_intel_bo *bo, int write_enable);
/* drm_intel_bufmgr_fake.c */
drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd,
unsigned long low_offset,
void *low_virtual,
unsigned long size,
volatile unsigned int *last_dispatch);
void drm_intel_bufmgr_fake_set_last_dispatch(drm_intel_bufmgr *bufmgr,
volatile unsigned int *last_dispatch);
void drm_intel_bufmgr_fake_set_exec_callback(drm_intel_bufmgr *bufmgr,
int (*exec)(drm_intel_bo *bo,
unsigned int used,
void *priv),
void *priv);
void drm_intel_bufmgr_fake_set_fence_callback(drm_intel_bufmgr *bufmgr,
unsigned int (*emit)(void *priv),
void (*wait)(unsigned int fence,
void *priv),
void *priv);
drm_intel_bo *drm_intel_bo_fake_alloc_static(drm_intel_bufmgr *bufmgr,
const char *name,
unsigned long offset, unsigned long size,
void *virtual);
void drm_intel_bo_fake_disable_backing_store(drm_intel_bo *bo,
void (*invalidate_cb)(drm_intel_bo *bo,
void *ptr),
void *ptr);
void drm_intel_bufmgr_fake_contended_lock_take(drm_intel_bufmgr *bufmgr);
void drm_intel_bufmgr_fake_evict_all(drm_intel_bufmgr *bufmgr);
/** @{ Compatibility defines to keep old code building despite the symbol rename
* from dri_* to drm_intel_*
*/
#define dri_bo drm_intel_bo
#define dri_bufmgr drm_intel_bufmgr
#define dri_bo_alloc drm_intel_bo_alloc
#define dri_bo_reference drm_intel_bo_reference
#define dri_bo_unreference drm_intel_bo_unreference
#define dri_bo_map drm_intel_bo_map
#define dri_bo_unmap drm_intel_bo_unmap
#define dri_bo_subdata drm_intel_bo_subdata
#define dri_bo_get_subdata drm_intel_bo_get_subdata
#define dri_bo_wait_rendering drm_intel_bo_wait_rendering
#define dri_bufmgr_set_debug drm_intel_bufmgr_set_debug
#define dri_bufmgr_destroy drm_intel_bufmgr_destroy
#define dri_bo_exec drm_intel_bo_exec
#define dri_bufmgr_check_aperture_space drm_intel_bufmgr_check_aperture_space
#define dri_bo_emit_reloc(reloc_bo, read, write, target_offset, \
reloc_offset, target_bo) \
drm_intel_bo_emit_reloc(reloc_bo, reloc_offset, \
target_bo, target_offset, \
read, write);
#define dri_bo_pin drm_intel_bo_pin
#define dri_bo_unpin drm_intel_bo_unpin
#define dri_bo_get_tiling drm_intel_bo_get_tiling
#define dri_bo_set_tiling(bo, mode) drm_intel_bo_set_tiling(bo, mode, 0)
#define dri_bo_flink drm_intel_bo_flink
#define intel_bufmgr_gem_init drm_intel_bufmgr_gem_init
#define intel_bo_gem_create_from_name drm_intel_bo_gem_create_from_name
#define intel_bufmgr_gem_enable_reuse drm_intel_bufmgr_gem_enable_reuse
#define intel_bufmgr_fake_init drm_intel_bufmgr_fake_init
#define intel_bufmgr_fake_set_last_dispatch drm_intel_bufmgr_fake_set_last_dispatch
#define intel_bufmgr_fake_set_exec_callback drm_intel_bufmgr_fake_set_exec_callback
#define intel_bufmgr_fake_set_fence_callback drm_intel_bufmgr_fake_set_fence_callback
#define intel_bo_fake_alloc_static drm_intel_bo_fake_alloc_static
#define intel_bo_fake_disable_backing_store drm_intel_bo_fake_disable_backing_store
#define intel_bufmgr_fake_contended_lock_take drm_intel_bufmgr_fake_contended_lock_take
#define intel_bufmgr_fake_evict_all drm_intel_bufmgr_fake_evict_all
/** @{ */
#endif /* INTEL_BUFMGR_H */
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