1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2020 Intel Corporation 4 */ 5 6 #ifndef __I915_GEM_GTT_H__ 7 #define __I915_GEM_GTT_H__ 8 9 #include <linux/io-mapping.h> 10 #include <linux/types.h> 11 12 #include <drm/drm_mm.h> 13 14 #include "gt/intel_gtt.h" 15 #include "i915_scatterlist.h" 16 17 struct drm_i915_gem_object; 18 struct i915_address_space; 19 20 int __must_check i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj, 21 struct sg_table *pages); 22 void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj, 23 struct sg_table *pages); 24 25 int i915_gem_gtt_reserve(struct i915_address_space *vm, 26 struct drm_mm_node *node, 27 u64 size, u64 offset, unsigned long color, 28 unsigned int flags); 29 30 int i915_gem_gtt_insert(struct i915_address_space *vm, 31 struct drm_mm_node *node, 32 u64 size, u64 alignment, unsigned long color, 33 u64 start, u64 end, unsigned int flags); 34 35 /* Flags used by pin/bind&friends. */ 36 #define PIN_NOEVICT BIT_ULL(0) 37 #define PIN_NOSEARCH BIT_ULL(1) 38 #define PIN_NONBLOCK BIT_ULL(2) 39 #define PIN_MAPPABLE BIT_ULL(3) 40 #define PIN_ZONE_4G BIT_ULL(4) 41 #define PIN_HIGH BIT_ULL(5) 42 #define PIN_OFFSET_BIAS BIT_ULL(6) 43 #define PIN_OFFSET_FIXED BIT_ULL(7) 44 45 #define PIN_GLOBAL BIT_ULL(10) /* I915_VMA_GLOBAL_BIND */ 46 #define PIN_USER BIT_ULL(11) /* I915_VMA_LOCAL_BIND */ 47 48 #define PIN_OFFSET_MASK I915_GTT_PAGE_MASK 49 50 #endif 51