#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
+#include "util/list.h"
#if defined(__cplusplus)
extern "C" {
#endif
struct gen_device_info;
-
-typedef struct _drm_bacon_bufmgr drm_bacon_bufmgr;
-typedef struct _drm_bacon_context drm_bacon_context;
-typedef struct _drm_bacon_bo drm_bacon_bo;
-
-struct _drm_bacon_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;
-
- /**
- * Virtual address for accessing the buffer data. Only valid while
- * mapped.
- */
-#ifdef __cplusplus
- void *virt;
-#else
- void *virtual;
+struct brw_context;
+
+struct brw_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.
+ */
+ uint64_t size;
+
+ /**
+ * Alignment requirement for object
+ *
+ * Used for GTT mapping & pinning the object.
+ */
+ uint64_t align;
+
+ /** Buffer manager context associated with this buffer object */
+ struct brw_bufmgr *bufmgr;
+
+ /** The GEM handle for this buffer object. */
+ uint32_t gem_handle;
+
+ /**
+ * Last seen card virtual address (offset from the beginning of the
+ * aperture) for the object. This should be used to fill relocation
+ * entries when calling brw_bo_emit_reloc()
+ */
+ uint64_t offset64;
+
+ /**
+ * Boolean of whether the GPU is definitely not accessing the buffer.
+ *
+ * This is only valid when reusable, since non-reusable
+ * buffers are those that have been shared with other
+ * processes, so we don't know their state.
+ */
+ bool idle;
+
+ int refcount;
+ const char *name;
+
+#ifndef EXEC_OBJECT_CAPTURE
+#define EXEC_OBJECT_CAPTURE (1<<7)
#endif
-
- /** Buffer manager context associated with this buffer object */
- drm_bacon_bufmgr *bufmgr;
-
- /** The GEM handle for this buffer object. */
- uint32_t gem_handle;
-
- /**
- * Last seen card virtual address (offset from the beginning of the
- * aperture) for the object. This should be used to fill relocation
- * entries when calling drm_bacon_bo_emit_reloc()
- */
- uint64_t offset64;
-
- /**
- * Boolean of whether the GPU is definitely not accessing the buffer.
- *
- * This is only valid when reusable, since non-reusable
- * buffers are those that have been shared with other
- * processes, so we don't know their state.
- */
- bool idle;
+ uint64_t kflags;
+
+ /**
+ * Kenel-assigned global name for this object
+ *
+ * List contains both flink named and prime fd'd objects
+ */
+ unsigned int global_name;
+
+ /**
+ * Current tiling mode
+ */
+ uint32_t tiling_mode;
+ uint32_t swizzle_mode;
+ uint32_t stride;
+
+ time_t free_time;
+
+ /** Mapped address for the buffer, saved across map/unmap cycles */
+ void *map_cpu;
+ /** GTT virtual address for the buffer, saved across map/unmap cycles */
+ void *map_gtt;
+ /** WC CPU address for the buffer, saved across map/unmap cycles */
+ void *map_wc;
+
+ /** BO cache list */
+ struct list_head head;
+
+ /**
+ * Boolean of whether this buffer can be re-used
+ */
+ bool reusable;
+
+ /**
+ * Boolean of whether this buffer has been shared with an external client.
+ */
+ bool external;
+
+ /**
+ * Boolean of whether this buffer is cache coherent
+ */
+ bool cache_coherent;
};
#define BO_ALLOC_FOR_RENDER (1<<0)
+#define BO_ALLOC_ZEROED (1<<1)
/**
* 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() or drm_bacon_gem_bo_map_gtt() to be used by the CPU.
+ * using brw_bo_map() to be used by the CPU.
*/
-drm_bacon_bo *drm_bacon_bo_alloc(drm_bacon_bufmgr *bufmgr, const char *name,
- unsigned long size, unsigned int alignment);
+struct brw_bo *brw_bo_alloc(struct brw_bufmgr *bufmgr, const char *name,
+ uint64_t size, uint64_t alignment);
+
/**
- * Allocate a buffer object, hinting that it will be used as a
- * render target.
+ * Allocate a tiled buffer object.
+ *
+ * Alignment for tiled objects is set automatically; the 'flags'
+ * argument provides a hint about how the object will be used initially.
*
- * This is otherwise the same as bo_alloc.
+ * Valid tiling formats are:
+ * I915_TILING_NONE
+ * I915_TILING_X
+ * I915_TILING_Y
*/
-drm_bacon_bo *drm_bacon_bo_alloc_for_render(drm_bacon_bufmgr *bufmgr,
- const char *name,
- unsigned long size,
- unsigned int alignment);
+struct brw_bo *brw_bo_alloc_tiled(struct brw_bufmgr *bufmgr,
+ const char *name,
+ uint64_t size,
+ uint32_t tiling_mode,
+ uint32_t pitch,
+ unsigned flags);
/**
* Allocate a tiled buffer object.
* 'tiling_mode' field on return, as well as the pitch value, which
* may have been rounded up to accommodate for tiling restrictions.
*/
-drm_bacon_bo *drm_bacon_bo_alloc_tiled(drm_bacon_bufmgr *bufmgr,
- const char *name,
- int x, int y, int cpp,
- uint32_t *tiling_mode,
- unsigned long *pitch,
- unsigned long flags);
+struct brw_bo *brw_bo_alloc_tiled_2d(struct brw_bufmgr *bufmgr,
+ const char *name,
+ int x, int y, int cpp,
+ uint32_t tiling_mode,
+ uint32_t *pitch,
+ unsigned flags);
/** Takes a reference on a buffer object */
-void drm_bacon_bo_reference(drm_bacon_bo *bo);
+void brw_bo_reference(struct brw_bo *bo);
/**
* Releases a reference on a buffer object, freeing the data if
* no references remain.
*/
-void drm_bacon_bo_unreference(drm_bacon_bo *bo);
+void brw_bo_unreference(struct brw_bo *bo);
+
+/* Must match MapBufferRange interface (for convenience) */
+#define MAP_READ GL_MAP_READ_BIT
+#define MAP_WRITE GL_MAP_WRITE_BIT
+#define MAP_ASYNC GL_MAP_UNSYNCHRONIZED_BIT
+#define MAP_PERSISTENT GL_MAP_PERSISTENT_BIT
+#define MAP_COHERENT GL_MAP_COHERENT_BIT
+/* internal */
+#define MAP_INTERNAL_MASK (0xff << 24)
+#define MAP_RAW (0x01 << 24)
/**
* 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.
+ * buffer to complete, first. The resulting mapping is returned.
*/
-int drm_bacon_bo_map(drm_bacon_bo *bo, int write_enable);
+MUST_CHECK void *brw_bo_map(struct brw_context *brw, struct brw_bo *bo, unsigned flags);
/**
* Reduces the refcount on the userspace mapping of the buffer
* object.
*/
-int drm_bacon_bo_unmap(drm_bacon_bo *bo);
+static inline int brw_bo_unmap(struct brw_bo *bo) { return 0; }
/** Write data into an object. */
-int drm_bacon_bo_subdata(drm_bacon_bo *bo, unsigned long offset,
- unsigned long size, const void *data);
-/** Read data from an object. */
-int drm_bacon_bo_get_subdata(drm_bacon_bo *bo, unsigned long offset,
- unsigned long size, void *data);
+int brw_bo_subdata(struct brw_bo *bo, uint64_t offset,
+ uint64_t size, const void *data);
/**
* Waits for rendering to an object by the GPU to have completed.
*
* bo_subdata, etc. It is merely a way for the driver to implement
* glFinish.
*/
-void drm_bacon_bo_wait_rendering(drm_bacon_bo *bo);
+void brw_bo_wait_rendering(struct brw_bo *bo);
/**
* Tears down the buffer manager instance.
*/
-void drm_bacon_bufmgr_destroy(drm_bacon_bufmgr *bufmgr);
+void brw_bufmgr_destroy(struct brw_bufmgr *bufmgr);
-/**
- * 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 drm_bacon_bo_set_tiling(drm_bacon_bo *bo, uint32_t * tiling_mode,
- uint32_t stride);
/**
* Get the current tiling (and resulting swizzling) mode for the bo.
*
* \param tiling_mode returned tiling mode
* \param swizzle_mode returned swizzling mode
*/
-int drm_bacon_bo_get_tiling(drm_bacon_bo *bo, uint32_t * tiling_mode,
- uint32_t * swizzle_mode);
+int brw_bo_get_tiling(struct brw_bo *bo, uint32_t *tiling_mode,
+ uint32_t *swizzle_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 drm_bacon_bo_flink(drm_bacon_bo *bo, uint32_t * name);
+int brw_bo_flink(struct brw_bo *bo, uint32_t *name);
/**
* Returns 1 if mapping the buffer for write could cause the process
* to block, due to the object being active in the GPU.
*/
-int drm_bacon_bo_busy(drm_bacon_bo *bo);
+int brw_bo_busy(struct brw_bo *bo);
/**
* Specify the volatility of the buffer.
* Returns 1 if the buffer was retained, or 0 if it was discarded whilst
* marked as I915_MADV_DONTNEED.
*/
-int drm_bacon_bo_madvise(drm_bacon_bo *bo, int madv);
+int brw_bo_madvise(struct brw_bo *bo, int madv);
-/**
- * Disable buffer reuse for buffers which will be shared in some way,
- * as with scanout buffers. When the buffer reference count goes to
- * zero, it will be freed and not placed in the reuse list.
- *
- * \param bo Buffer to disable reuse for
- */
-int drm_bacon_bo_disable_reuse(drm_bacon_bo *bo);
+/* drm_bacon_bufmgr_gem.c */
+struct brw_bufmgr *brw_bufmgr_init(struct gen_device_info *devinfo,
+ int fd, int batch_size);
+struct brw_bo *brw_bo_gem_create_from_name(struct brw_bufmgr *bufmgr,
+ const char *name,
+ unsigned int handle);
+void brw_bufmgr_enable_reuse(struct brw_bufmgr *bufmgr);
-/**
- * Query whether a buffer is reusable.
- *
- * \param bo Buffer to query
- */
-int drm_bacon_bo_is_reusable(drm_bacon_bo *bo);
+int brw_bo_wait(struct brw_bo *bo, int64_t timeout_ns);
-/* drm_bacon_bufmgr_gem.c */
-drm_bacon_bufmgr *drm_bacon_bufmgr_gem_init(struct gen_device_info *devinfo,
- int fd, int batch_size);
-drm_bacon_bo *drm_bacon_bo_gem_create_from_name(drm_bacon_bufmgr *bufmgr,
- const char *name,
- unsigned int handle);
-void drm_bacon_bufmgr_gem_enable_reuse(drm_bacon_bufmgr *bufmgr);
-void drm_bacon_bufmgr_gem_set_vma_cache_size(drm_bacon_bufmgr *bufmgr,
- int limit);
-int drm_bacon_gem_bo_map_unsynchronized(drm_bacon_bo *bo);
-int drm_bacon_gem_bo_map_gtt(drm_bacon_bo *bo);
-
-void *drm_bacon_gem_bo_map__cpu(drm_bacon_bo *bo);
-void *drm_bacon_gem_bo_map__gtt(drm_bacon_bo *bo);
-void *drm_bacon_gem_bo_map__wc(drm_bacon_bo *bo);
-
-void drm_bacon_gem_bo_start_gtt_access(drm_bacon_bo *bo, int write_enable);
-
-int drm_bacon_gem_bo_wait(drm_bacon_bo *bo, int64_t timeout_ns);
-
-drm_bacon_context *drm_bacon_gem_context_create(drm_bacon_bufmgr *bufmgr);
-int drm_bacon_gem_context_get_id(drm_bacon_context *ctx,
- uint32_t *ctx_id);
-void drm_bacon_gem_context_destroy(drm_bacon_context *ctx);
-
-int drm_bacon_bo_gem_export_to_prime(drm_bacon_bo *bo, int *prime_fd);
-drm_bacon_bo *drm_bacon_bo_gem_create_from_prime(drm_bacon_bufmgr *bufmgr,
- int prime_fd, int size);
-
-int drm_bacon_reg_read(drm_bacon_bufmgr *bufmgr,
- uint32_t offset,
- uint64_t *result);
-
-int drm_bacon_get_reset_stats(drm_bacon_context *ctx,
- uint32_t *reset_count,
- uint32_t *active,
- uint32_t *pending);
+uint32_t brw_create_hw_context(struct brw_bufmgr *bufmgr);
+void brw_destroy_hw_context(struct brw_bufmgr *bufmgr, uint32_t ctx_id);
+
+int brw_bo_gem_export_to_prime(struct brw_bo *bo, int *prime_fd);
+struct brw_bo *brw_bo_gem_create_from_prime(struct brw_bufmgr *bufmgr,
+ int prime_fd);
+
+int brw_reg_read(struct brw_bufmgr *bufmgr, uint32_t offset,
+ uint64_t *result);
/** @{ */
#if defined(__cplusplus)
}
#endif
-
#endif /* INTEL_BUFMGR_H */