1 /* $NetBSD: i915_gem_gtt.h,v 1.11 2021/12/19 11:33:30 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: MIT */ 4 /* 5 * Copyright © 2020 Intel Corporation 6 */ 7 8 #ifndef __I915_GEM_GTT_H__ 9 #define __I915_GEM_GTT_H__ 10 11 #include <linux/io-mapping.h> 12 #include <linux/types.h> 13 14 #include <drm/drm_mm.h> 15 16 #include "gt/intel_gtt.h" 17 #include "i915_scatterlist.h" 18 19 struct drm_i915_gem_object; 20 struct i915_address_space; 21 22 int __must_check i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj, 23 struct sg_table *pages); 24 void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj, 25 struct sg_table *pages); 26 27 int i915_gem_gtt_reserve(struct i915_address_space *vm, 28 struct drm_mm_node *node, 29 u64 size, u64 offset, unsigned long color, 30 unsigned int flags); 31 32 int i915_gem_gtt_insert(struct i915_address_space *vm, 33 struct drm_mm_node *node, 34 u64 size, u64 alignment, unsigned long color, 35 u64 start, u64 end, unsigned int flags); 36 37 /* Flags used by pin/bind&friends. */ 38 #define PIN_NOEVICT BIT_ULL(0) 39 #define PIN_NOSEARCH BIT_ULL(1) 40 #define PIN_NONBLOCK BIT_ULL(2) 41 #define PIN_MAPPABLE BIT_ULL(3) 42 #define PIN_ZONE_4G BIT_ULL(4) 43 #define PIN_HIGH BIT_ULL(5) 44 #define PIN_OFFSET_BIAS BIT_ULL(6) 45 #define PIN_OFFSET_FIXED BIT_ULL(7) 46 47 #define PIN_UPDATE BIT_ULL(9) 48 #define PIN_GLOBAL BIT_ULL(10) /* I915_VMA_GLOBAL_BIND */ 49 #define PIN_USER BIT_ULL(11) /* I915_VMA_LOCAL_BIND */ 50 51 #define PIN_OFFSET_MASK I915_GTT_PAGE_MASK 52 53 #endif 54