diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/ttm_object.h')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/ttm_object.h | 95 |
1 files changed, 19 insertions, 76 deletions
diff --git a/drivers/gpu/drm/vmwgfx/ttm_object.h b/drivers/gpu/drm/vmwgfx/ttm_object.h index ede26df87c93..573e038c0fab 100644 --- a/drivers/gpu/drm/vmwgfx/ttm_object.h +++ b/drivers/gpu/drm/vmwgfx/ttm_object.h @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., USA + * Copyright (c) 2006-2023 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -42,30 +42,7 @@ #include <linux/list.h> #include <linux/rcupdate.h> -#include <drm/drm_hashtab.h> -#include <drm/ttm/ttm_memory.h> - -/** - * enum ttm_ref_type - * - * Describes what type of reference a ref object holds. - * - * TTM_REF_USAGE is a simple refcount on a base object. - * - * TTM_REF_SYNCCPU_READ is a SYNCCPU_READ reference on a - * buffer object. - * - * TTM_REF_SYNCCPU_WRITE is a SYNCCPU_WRITE reference on a - * buffer object. - * - */ - -enum ttm_ref_type { - TTM_REF_USAGE, - TTM_REF_SYNCCPU_READ, - TTM_REF_SYNCCPU_WRITE, - TTM_REF_NUM -}; +#include <drm/ttm/ttm_bo.h> /** * enum ttm_object_type @@ -77,7 +54,6 @@ enum ttm_ref_type { enum ttm_object_type { ttm_fence_type, - ttm_buffer_type, ttm_lock_type, ttm_prime_type, ttm_driver_type0 = 256, @@ -120,7 +96,7 @@ struct ttm_object_device; * * This struct is intended to be used as a base struct for objects that * are visible to user-space. It provides a global name, race-safe - * access and refcounting, minimal access contol and hooks for unref actions. + * access and refcounting, minimal access control and hooks for unref actions. */ struct ttm_base_object { @@ -128,9 +104,7 @@ struct ttm_base_object { struct ttm_object_file *tfile; struct kref refcount; void (*refcount_release) (struct ttm_base_object **base); - void (*ref_obj_release) (struct ttm_base_object *base, - enum ttm_ref_type ref_type); - u32 handle; + u64 handle; enum ttm_object_type object_type; u32 shareable; }; @@ -164,7 +138,7 @@ struct ttm_prime_object { * * @tfile: Pointer to a struct ttm_object_file. * @base: The struct ttm_base_object to initialize. - * @shareable: This object is shareable with other applcations. + * @shareable: This object is shareable with other applications. * (different @tfile pointers.) * @type: The object type. * @refcount_release: See the struct ttm_base_object description. @@ -178,11 +152,7 @@ extern int ttm_base_object_init(struct ttm_object_file *tfile, bool shareable, enum ttm_object_type type, void (*refcount_release) (struct ttm_base_object - **), - void (*ref_obj_release) (struct ttm_base_object - *, - enum ttm_ref_type - ref_type)); + **)); /** * ttm_base_object_lookup @@ -194,7 +164,7 @@ extern int ttm_base_object_init(struct ttm_object_file *tfile, */ extern struct ttm_base_object *ttm_base_object_lookup(struct ttm_object_file - *tfile, uint32_t key); + *tfile, uint64_t key); /** * ttm_base_object_lookup_for_ref @@ -208,7 +178,7 @@ extern struct ttm_base_object *ttm_base_object_lookup(struct ttm_object_file */ extern struct ttm_base_object * -ttm_base_object_lookup_for_ref(struct ttm_object_device *tdev, uint32_t key); +ttm_base_object_lookup_for_ref(struct ttm_object_device *tdev, uint64_t key); /** * ttm_base_object_unref @@ -246,12 +216,9 @@ extern void ttm_base_object_unref(struct ttm_base_object **p_base); */ extern int ttm_ref_object_add(struct ttm_object_file *tfile, struct ttm_base_object *base, - enum ttm_ref_type ref_type, bool *existed, + bool *existed, bool require_existed); -extern bool ttm_ref_object_exists(struct ttm_object_file *tfile, - struct ttm_base_object *base); - /** * ttm_ref_object_base_unref * @@ -264,21 +231,18 @@ extern bool ttm_ref_object_exists(struct ttm_object_file *tfile, * will be unreferenced. */ extern int ttm_ref_object_base_unref(struct ttm_object_file *tfile, - unsigned long key, - enum ttm_ref_type ref_type); + unsigned long key); /** * ttm_object_file_init - initialize a struct ttm_object file * * @tdev: A struct ttm_object device this file is initialized on. - * @hash_order: Order of the hash table used to hold the reference objects. * * This is typically called by the file_ops::open function. */ extern struct ttm_object_file *ttm_object_file_init(struct ttm_object_device - *tdev, - unsigned int hash_order); + *tdev); /** * ttm_object_file_release - release data held by a ttm_object_file @@ -296,8 +260,6 @@ extern void ttm_object_file_release(struct ttm_object_file **p_tfile); /** * ttm_object device init - initialize a struct ttm_object_device * - * @mem_glob: struct ttm_mem_global for memory accounting. - * @hash_order: Order of hash table used to hash the base objects. * @ops: DMA buf ops for prime objects of this device. * * This function is typically called on device initialization to prepare @@ -305,9 +267,7 @@ extern void ttm_object_file_release(struct ttm_object_file **p_tfile); */ extern struct ttm_object_device * -ttm_object_device_init(struct ttm_mem_global *mem_glob, - unsigned int hash_order, - const struct dma_buf_ops *ops); +ttm_object_device_init(const struct dma_buf_ops *ops); /** * ttm_object_device_release - release data held by a ttm_object_device @@ -328,13 +288,9 @@ extern void ttm_object_device_release(struct ttm_object_device **p_tdev); extern int ttm_prime_object_init(struct ttm_object_file *tfile, size_t size, struct ttm_prime_object *prime, - bool shareable, enum ttm_object_type type, void (*refcount_release) - (struct ttm_base_object **), - void (*ref_obj_release) - (struct ttm_base_object *, - enum ttm_ref_type ref_type)); + (struct ttm_base_object **)); static inline enum ttm_object_type ttm_base_object_type(struct ttm_base_object *base) @@ -352,25 +308,12 @@ extern int ttm_prime_handle_to_fd(struct ttm_object_file *tfile, #define ttm_prime_object_kfree(__obj, __prime) \ kfree_rcu(__obj, __prime.base.rhead) -/* - * Extra memory required by the base object's idr storage, which is allocated - * separately from the base object itself. We estimate an on-average 128 bytes - * per idr. - */ -#define TTM_OBJ_EXTRA_SIZE 128 - -struct ttm_base_object * -ttm_base_object_noref_lookup(struct ttm_object_file *tfile, uint32_t key); - -/** - * ttm_base_object_noref_release - release a base object pointer looked up - * without reference - * - * Releases a base object pointer looked up with ttm_base_object_noref_lookup(). - */ -static inline void ttm_base_object_noref_release(void) +static inline int ttm_bo_wait(struct ttm_buffer_object *bo, bool intr, + bool no_wait) { - __acquire(RCU); - rcu_read_unlock(); + struct ttm_operation_ctx ctx = { intr, no_wait }; + + return ttm_bo_wait_ctx(bo, &ctx); } + #endif |