2 * Copyright © 2014 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23 * Please try to maintain the following order within this file unless it makes
24 * sense to do otherwise. From top to bottom:
26 * 2. #defines, and macros
27 * 3. structure definitions
28 * 4. function prototypes
30 * Within each section, please try to order by generation in ascending order,
31 * from top to bottom (ie. gen6 on the top, gen8 on the bottom).
34 #ifndef __I915_GEM_GTT_H__
35 #define __I915_GEM_GTT_H__
37 #include <linux/io-mapping.h>
39 #include <linux/pagevec.h>
41 #include "i915_request.h"
42 #include "i915_selftest.h"
43 #include "i915_timeline.h"
45 #define I915_GTT_PAGE_SIZE_4K BIT(12)
46 #define I915_GTT_PAGE_SIZE_64K BIT(16)
47 #define I915_GTT_PAGE_SIZE_2M BIT(21)
49 #define I915_GTT_PAGE_SIZE I915_GTT_PAGE_SIZE_4K
50 #define I915_GTT_MAX_PAGE_SIZE I915_GTT_PAGE_SIZE_2M
52 #define I915_GTT_MIN_ALIGNMENT I915_GTT_PAGE_SIZE
54 #define I915_FENCE_REG_NONE -1
55 #define I915_MAX_NUM_FENCES 32
56 /* 32 fences + sign bit for FENCE_REG_NONE */
57 #define I915_MAX_NUM_FENCE_BITS 6
59 struct drm_i915_file_private;
60 struct drm_i915_fence_reg;
63 typedef u32 gen6_pte_t;
64 typedef u64 gen8_pte_t;
65 typedef u64 gen8_pde_t;
66 typedef u64 gen8_ppgtt_pdpe_t;
67 typedef u64 gen8_ppgtt_pml4e_t;
69 #define ggtt_total_entries(ggtt) ((ggtt)->vm.total >> PAGE_SHIFT)
71 /* gen6-hsw has bit 11-4 for physical addr bit 39-32 */
72 #define GEN6_GTT_ADDR_ENCODE(addr) ((addr) | (((addr) >> 28) & 0xff0))
73 #define GEN6_PTE_ADDR_ENCODE(addr) GEN6_GTT_ADDR_ENCODE(addr)
74 #define GEN6_PDE_ADDR_ENCODE(addr) GEN6_GTT_ADDR_ENCODE(addr)
75 #define GEN6_PTE_CACHE_LLC (2 << 1)
76 #define GEN6_PTE_UNCACHED (1 << 1)
77 #define GEN6_PTE_VALID (1 << 0)
79 #define I915_PTES(pte_len) ((unsigned int)(PAGE_SIZE / (pte_len)))
80 #define I915_PTE_MASK(pte_len) (I915_PTES(pte_len) - 1)
82 #define I915_PDE_MASK (I915_PDES - 1)
83 #define NUM_PTE(pde_shift) (1 << (pde_shift - PAGE_SHIFT))
85 #define GEN6_PTES I915_PTES(sizeof(gen6_pte_t))
86 #define GEN6_PD_SIZE (I915_PDES * PAGE_SIZE)
87 #define GEN6_PD_ALIGN (PAGE_SIZE * 16)
88 #define GEN6_PDE_SHIFT 22
89 #define GEN6_PDE_VALID (1 << 0)
91 #define GEN7_PTE_CACHE_L3_LLC (3 << 1)
93 #define BYT_PTE_SNOOPED_BY_CPU_CACHES (1 << 2)
94 #define BYT_PTE_WRITEABLE (1 << 1)
96 /* Cacheability Control is a 4-bit value. The low three bits are stored in bits
97 * 3:1 of the PTE, while the fourth bit is stored in bit 11 of the PTE.
99 #define HSW_CACHEABILITY_CONTROL(bits) ((((bits) & 0x7) << 1) | \
100 (((bits) & 0x8) << (11 - 3)))
101 #define HSW_WB_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x2)
102 #define HSW_WB_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0x3)
103 #define HSW_WB_ELLC_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x8)
104 #define HSW_WB_ELLC_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0xb)
105 #define HSW_WT_ELLC_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x7)
106 #define HSW_WT_ELLC_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0x6)
107 #define HSW_PTE_UNCACHED (0)
108 #define HSW_GTT_ADDR_ENCODE(addr) ((addr) | (((addr) >> 28) & 0x7f0))
109 #define HSW_PTE_ADDR_ENCODE(addr) HSW_GTT_ADDR_ENCODE(addr)
111 /* GEN8 32b style address is defined as a 3 level page table:
112 * 31:30 | 29:21 | 20:12 | 11:0
113 * PDPE | PDE | PTE | offset
114 * The difference as compared to normal x86 3 level page table is the PDPEs are
115 * programmed via register.
117 #define GEN8_3LVL_PDPES 4
118 #define GEN8_PDE_SHIFT 21
119 #define GEN8_PDE_MASK 0x1ff
120 #define GEN8_PTE_SHIFT 12
121 #define GEN8_PTE_MASK 0x1ff
122 #define GEN8_PTES I915_PTES(sizeof(gen8_pte_t))
124 /* GEN8 48b style address is defined as a 4 level page table:
125 * 47:39 | 38:30 | 29:21 | 20:12 | 11:0
126 * PML4E | PDPE | PDE | PTE | offset
128 #define GEN8_PML4ES_PER_PML4 512
129 #define GEN8_PML4E_SHIFT 39
130 #define GEN8_PML4E_MASK (GEN8_PML4ES_PER_PML4 - 1)
131 #define GEN8_PDPE_SHIFT 30
132 /* NB: GEN8_PDPE_MASK is untrue for 32b platforms, but it has no impact on 32b page
134 #define GEN8_PDPE_MASK 0x1ff
136 #define PPAT_UNCACHED (_PAGE_PWT | _PAGE_PCD)
137 #define PPAT_CACHED_PDE 0 /* WB LLC */
138 #define PPAT_CACHED _PAGE_PAT /* WB LLCeLLC */
139 #define PPAT_DISPLAY_ELLC _PAGE_PCD /* WT eLLC */
141 #define CHV_PPAT_SNOOP (1<<6)
142 #define GEN8_PPAT_AGE(x) ((x)<<4)
143 #define GEN8_PPAT_LLCeLLC (3<<2)
144 #define GEN8_PPAT_LLCELLC (2<<2)
145 #define GEN8_PPAT_LLC (1<<2)
146 #define GEN8_PPAT_WB (3<<0)
147 #define GEN8_PPAT_WT (2<<0)
148 #define GEN8_PPAT_WC (1<<0)
149 #define GEN8_PPAT_UC (0<<0)
150 #define GEN8_PPAT_ELLC_OVERRIDE (0<<2)
151 #define GEN8_PPAT(i, x) ((u64)(x) << ((i) * 8))
153 #define GEN8_PPAT_GET_CA(x) ((x) & 3)
154 #define GEN8_PPAT_GET_TC(x) ((x) & (3 << 2))
155 #define GEN8_PPAT_GET_AGE(x) ((x) & (3 << 4))
156 #define CHV_PPAT_GET_SNOOP(x) ((x) & (1 << 6))
158 #define GEN8_PDE_IPS_64K BIT(11)
159 #define GEN8_PDE_PS_2M BIT(7)
163 struct intel_rotation_info {
164 struct intel_rotation_plane_info {
166 unsigned int width, height, stride, offset;
170 struct intel_partial_info {
175 enum i915_ggtt_view_type {
176 I915_GGTT_VIEW_NORMAL = 0,
177 I915_GGTT_VIEW_ROTATED = sizeof(struct intel_rotation_info),
178 I915_GGTT_VIEW_PARTIAL = sizeof(struct intel_partial_info),
181 static inline void assert_i915_gem_gtt_types(void)
183 BUILD_BUG_ON(sizeof(struct intel_rotation_info) != 8*sizeof(unsigned int));
184 BUILD_BUG_ON(sizeof(struct intel_partial_info) != sizeof(u64) + sizeof(unsigned int));
186 /* As we encode the size of each branch inside the union into its type,
187 * we have to be careful that each branch has a unique size.
189 switch ((enum i915_ggtt_view_type)0) {
190 case I915_GGTT_VIEW_NORMAL:
191 case I915_GGTT_VIEW_PARTIAL:
192 case I915_GGTT_VIEW_ROTATED:
193 /* gcc complains if these are identical cases */
198 struct i915_ggtt_view {
199 enum i915_ggtt_view_type type;
201 /* Members need to contain no holes/padding */
202 struct intel_partial_info partial;
203 struct intel_rotation_info rotated;
207 enum i915_cache_level;
211 struct i915_page_dma {
217 /* For gen6/gen7 only. This is the offset in the GGTT
218 * where the page directory entries for PPGTT begin
224 #define px_base(px) (&(px)->base)
225 #define px_dma(px) (px_base(px)->daddr)
227 struct i915_page_table {
228 struct i915_page_dma base;
229 unsigned int used_ptes;
232 struct i915_page_directory {
233 struct i915_page_dma base;
235 struct i915_page_table *page_table[I915_PDES]; /* PDEs */
236 unsigned int used_pdes;
239 struct i915_page_directory_pointer {
240 struct i915_page_dma base;
241 struct i915_page_directory **page_directory;
242 unsigned int used_pdpes;
246 struct i915_page_dma base;
247 struct i915_page_directory_pointer *pdps[GEN8_PML4ES_PER_PML4];
250 struct i915_vma_ops {
251 /* Map an object into an address space with the given cache flags. */
252 int (*bind_vma)(struct i915_vma *vma,
253 enum i915_cache_level cache_level,
256 * Unmap an object from an address space. This usually consists of
257 * setting the valid PTE entries to a reserved scratch page.
259 void (*unbind_vma)(struct i915_vma *vma);
261 int (*set_pages)(struct i915_vma *vma);
262 void (*clear_pages)(struct i915_vma *vma);
270 struct i915_address_space {
272 struct drm_i915_private *i915;
274 /* Every address space belongs to a struct file - except for the global
275 * GTT that is owned by the driver (and so @file is set to NULL). In
276 * principle, no information should leak from one context to another
277 * (or between files/processes etc) unless explicitly shared by the
278 * owner. Tracking the owner is important in order to free up per-file
279 * objects along with the file, to aide resource tracking, and to
282 struct drm_i915_file_private *file;
283 u64 total; /* size addr space maps (ex. 2GB for ggtt) */
284 u64 reserved; /* size addr space reserved */
288 struct mutex mutex; /* protects vma and our lists */
290 struct i915_page_dma scratch_page;
291 struct i915_page_table *scratch_pt;
292 struct i915_page_directory *scratch_pd;
293 struct i915_page_directory_pointer *scratch_pdp; /* GEN8+ & 48b PPGTT */
296 * List of objects currently involved in rendering.
298 * Includes buffers having the contents of their GPU caches
299 * flushed, not necessarily primitives. last_read_req
300 * represents when the rendering involved will be completed.
302 * A reference is held on the buffer while on this list.
304 struct list_head active_list;
307 * LRU list of objects which are not in the ringbuffer and
308 * are ready to unbind, but are still in the GTT.
310 * last_read_req is NULL while an object is in this list.
312 * A reference is not held on the buffer while on this list,
313 * as merely being GTT-bound shouldn't prevent its being
314 * freed, and we'll pull it off the list in the free path.
316 struct list_head inactive_list;
319 * List of vma that have been unbound.
321 * A reference is not held on the buffer while on this list.
323 struct list_head unbound_list;
325 struct pagestash free_pages;
327 /* Some systems require uncached updates of the page directories */
330 /* Some systems support read-only mappings for GGTT and/or PPGTT */
331 bool has_read_only:1;
333 /* FIXME: Need a more generic return type */
334 gen6_pte_t (*pte_encode)(dma_addr_t addr,
335 enum i915_cache_level level,
336 u32 flags); /* Create a valid PTE */
337 /* flags for pte_encode */
338 #define PTE_READ_ONLY (1<<0)
339 int (*allocate_va_range)(struct i915_address_space *vm,
340 u64 start, u64 length);
341 void (*clear_range)(struct i915_address_space *vm,
342 u64 start, u64 length);
343 void (*insert_page)(struct i915_address_space *vm,
346 enum i915_cache_level cache_level,
348 void (*insert_entries)(struct i915_address_space *vm,
349 struct i915_vma *vma,
350 enum i915_cache_level cache_level,
352 void (*cleanup)(struct i915_address_space *vm);
354 struct i915_vma_ops vma_ops;
356 I915_SELFTEST_DECLARE(struct fault_attr fault_attr);
357 I915_SELFTEST_DECLARE(bool scrub_64K);
360 #define i915_is_ggtt(V) (!(V)->file)
363 i915_vm_is_48bit(const struct i915_address_space *vm)
365 return (vm->total - 1) >> 32;
369 i915_vm_has_scratch_64K(struct i915_address_space *vm)
371 return vm->scratch_page.order == get_order(I915_GTT_PAGE_SIZE_64K);
374 /* The Graphics Translation Table is the way in which GEN hardware translates a
375 * Graphics Virtual Address into a Physical Address. In addition to the normal
376 * collateral associated with any va->pa translations GEN hardware also has a
377 * portion of the GTT which can be mapped by the CPU and remain both coherent
378 * and correct (in cases like swizzling). That region is referred to as GMADR in
382 struct i915_address_space vm;
384 struct io_mapping iomap; /* Mapping to our CPU mappable region */
385 struct resource gmadr; /* GMADR resource */
386 resource_size_t mappable_end; /* End offset that we can CPU map */
388 /** "Graphics Stolen Memory" holds the global PTEs */
390 void (*invalidate)(struct drm_i915_private *dev_priv);
398 struct drm_mm_node error_capture;
401 struct i915_hw_ppgtt {
402 struct i915_address_space vm;
405 unsigned long pd_dirty_rings;
407 struct i915_pml4 pml4; /* GEN8+ & 48b PPGTT */
408 struct i915_page_directory_pointer pdp; /* GEN8+ */
409 struct i915_page_directory pd; /* GEN6-7 */
412 void (*debug_dump)(struct i915_hw_ppgtt *ppgtt, struct seq_file *m);
415 struct gen6_hw_ppgtt {
416 struct i915_hw_ppgtt base;
418 struct i915_vma *vma;
419 gen6_pte_t __iomem *pd_addr;
420 gen6_pte_t scratch_pte;
422 unsigned int pin_count;
423 bool scan_for_unused_pt;
426 #define __to_gen6_ppgtt(base) container_of(base, struct gen6_hw_ppgtt, base)
428 static inline struct gen6_hw_ppgtt *to_gen6_ppgtt(struct i915_hw_ppgtt *base)
430 BUILD_BUG_ON(offsetof(struct gen6_hw_ppgtt, base));
431 return __to_gen6_ppgtt(base);
435 * gen6_for_each_pde() iterates over every pde from start until start+length.
436 * If start and start+length are not perfectly divisible, the macro will round
437 * down and up as needed. Start=0 and length=2G effectively iterates over
438 * every PDE in the system. The macro modifies ALL its parameters except 'pd',
439 * so each of the other parameters should preferably be a simple variable, or
440 * at most an lvalue with no side-effects!
442 #define gen6_for_each_pde(pt, pd, start, length, iter) \
443 for (iter = gen6_pde_index(start); \
444 length > 0 && iter < I915_PDES && \
445 (pt = (pd)->page_table[iter], true); \
446 ({ u32 temp = ALIGN(start+1, 1 << GEN6_PDE_SHIFT); \
447 temp = min(temp - start, length); \
448 start += temp, length -= temp; }), ++iter)
450 #define gen6_for_all_pdes(pt, pd, iter) \
452 iter < I915_PDES && \
453 (pt = (pd)->page_table[iter], true); \
456 static inline u32 i915_pte_index(u64 address, unsigned int pde_shift)
458 const u32 mask = NUM_PTE(pde_shift) - 1;
460 return (address >> PAGE_SHIFT) & mask;
463 /* Helper to counts the number of PTEs within the given length. This count
464 * does not cross a page table boundary, so the max value would be
465 * GEN6_PTES for GEN6, and GEN8_PTES for GEN8.
467 static inline u32 i915_pte_count(u64 addr, u64 length, unsigned int pde_shift)
469 const u64 mask = ~((1ULL << pde_shift) - 1);
472 GEM_BUG_ON(length == 0);
473 GEM_BUG_ON(offset_in_page(addr | length));
477 if ((addr & mask) != (end & mask))
478 return NUM_PTE(pde_shift) - i915_pte_index(addr, pde_shift);
480 return i915_pte_index(end, pde_shift) - i915_pte_index(addr, pde_shift);
483 static inline u32 i915_pde_index(u64 addr, u32 shift)
485 return (addr >> shift) & I915_PDE_MASK;
488 static inline u32 gen6_pte_index(u32 addr)
490 return i915_pte_index(addr, GEN6_PDE_SHIFT);
493 static inline u32 gen6_pte_count(u32 addr, u32 length)
495 return i915_pte_count(addr, length, GEN6_PDE_SHIFT);
498 static inline u32 gen6_pde_index(u32 addr)
500 return i915_pde_index(addr, GEN6_PDE_SHIFT);
503 static inline unsigned int
504 i915_pdpes_per_pdp(const struct i915_address_space *vm)
506 if (i915_vm_is_48bit(vm))
507 return GEN8_PML4ES_PER_PML4;
509 return GEN8_3LVL_PDPES;
512 /* Equivalent to the gen6 version, For each pde iterates over every pde
513 * between from start until start + length. On gen8+ it simply iterates
514 * over every page directory entry in a page directory.
516 #define gen8_for_each_pde(pt, pd, start, length, iter) \
517 for (iter = gen8_pde_index(start); \
518 length > 0 && iter < I915_PDES && \
519 (pt = (pd)->page_table[iter], true); \
520 ({ u64 temp = ALIGN(start+1, 1 << GEN8_PDE_SHIFT); \
521 temp = min(temp - start, length); \
522 start += temp, length -= temp; }), ++iter)
524 #define gen8_for_each_pdpe(pd, pdp, start, length, iter) \
525 for (iter = gen8_pdpe_index(start); \
526 length > 0 && iter < i915_pdpes_per_pdp(vm) && \
527 (pd = (pdp)->page_directory[iter], true); \
528 ({ u64 temp = ALIGN(start+1, 1 << GEN8_PDPE_SHIFT); \
529 temp = min(temp - start, length); \
530 start += temp, length -= temp; }), ++iter)
532 #define gen8_for_each_pml4e(pdp, pml4, start, length, iter) \
533 for (iter = gen8_pml4e_index(start); \
534 length > 0 && iter < GEN8_PML4ES_PER_PML4 && \
535 (pdp = (pml4)->pdps[iter], true); \
536 ({ u64 temp = ALIGN(start+1, 1ULL << GEN8_PML4E_SHIFT); \
537 temp = min(temp - start, length); \
538 start += temp, length -= temp; }), ++iter)
540 static inline u32 gen8_pte_index(u64 address)
542 return i915_pte_index(address, GEN8_PDE_SHIFT);
545 static inline u32 gen8_pde_index(u64 address)
547 return i915_pde_index(address, GEN8_PDE_SHIFT);
550 static inline u32 gen8_pdpe_index(u64 address)
552 return (address >> GEN8_PDPE_SHIFT) & GEN8_PDPE_MASK;
555 static inline u32 gen8_pml4e_index(u64 address)
557 return (address >> GEN8_PML4E_SHIFT) & GEN8_PML4E_MASK;
560 static inline u64 gen8_pte_count(u64 address, u64 length)
562 return i915_pte_count(address, length, GEN8_PDE_SHIFT);
565 static inline dma_addr_t
566 i915_page_dir_dma_addr(const struct i915_hw_ppgtt *ppgtt, const unsigned n)
568 return px_dma(ppgtt->pdp.page_directory[n]);
571 static inline struct i915_ggtt *
572 i915_vm_to_ggtt(struct i915_address_space *vm)
574 GEM_BUG_ON(!i915_is_ggtt(vm));
575 return container_of(vm, struct i915_ggtt, vm);
578 #define INTEL_MAX_PPAT_ENTRIES 8
579 #define INTEL_PPAT_PERFECT_MATCH (~0U)
583 struct intel_ppat_entry {
584 struct intel_ppat *ppat;
590 struct intel_ppat_entry entries[INTEL_MAX_PPAT_ENTRIES];
591 DECLARE_BITMAP(used, INTEL_MAX_PPAT_ENTRIES);
592 DECLARE_BITMAP(dirty, INTEL_MAX_PPAT_ENTRIES);
593 unsigned int max_entries;
596 * Return a score to show how two PPAT values match,
597 * a INTEL_PPAT_PERFECT_MATCH indicates a perfect match
599 unsigned int (*match)(u8 src, u8 dst);
600 void (*update_hw)(struct drm_i915_private *i915);
602 struct drm_i915_private *i915;
605 const struct intel_ppat_entry *
606 intel_ppat_get(struct drm_i915_private *i915, u8 value);
607 void intel_ppat_put(const struct intel_ppat_entry *entry);
609 int i915_gem_init_aliasing_ppgtt(struct drm_i915_private *i915);
610 void i915_gem_fini_aliasing_ppgtt(struct drm_i915_private *i915);
612 int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv);
613 int i915_ggtt_init_hw(struct drm_i915_private *dev_priv);
614 int i915_ggtt_enable_hw(struct drm_i915_private *dev_priv);
615 void i915_ggtt_enable_guc(struct drm_i915_private *i915);
616 void i915_ggtt_disable_guc(struct drm_i915_private *i915);
617 int i915_gem_init_ggtt(struct drm_i915_private *dev_priv);
618 void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv);
620 int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv);
621 void i915_ppgtt_release(struct kref *kref);
622 struct i915_hw_ppgtt *i915_ppgtt_create(struct drm_i915_private *dev_priv,
623 struct drm_i915_file_private *fpriv);
624 void i915_ppgtt_close(struct i915_address_space *vm);
625 static inline void i915_ppgtt_get(struct i915_hw_ppgtt *ppgtt)
628 kref_get(&ppgtt->ref);
630 static inline void i915_ppgtt_put(struct i915_hw_ppgtt *ppgtt)
633 kref_put(&ppgtt->ref, i915_ppgtt_release);
636 int gen6_ppgtt_pin(struct i915_hw_ppgtt *base);
637 void gen6_ppgtt_unpin(struct i915_hw_ppgtt *base);
639 void i915_check_and_clear_faults(struct drm_i915_private *dev_priv);
640 void i915_gem_suspend_gtt_mappings(struct drm_i915_private *dev_priv);
641 void i915_gem_restore_gtt_mappings(struct drm_i915_private *dev_priv);
643 int __must_check i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj,
644 struct sg_table *pages);
645 void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj,
646 struct sg_table *pages);
648 int i915_gem_gtt_reserve(struct i915_address_space *vm,
649 struct drm_mm_node *node,
650 u64 size, u64 offset, unsigned long color,
653 int i915_gem_gtt_insert(struct i915_address_space *vm,
654 struct drm_mm_node *node,
655 u64 size, u64 alignment, unsigned long color,
656 u64 start, u64 end, unsigned int flags);
658 /* Flags used by pin/bind&friends. */
659 #define PIN_NONBLOCK BIT(0)
660 #define PIN_MAPPABLE BIT(1)
661 #define PIN_ZONE_4G BIT(2)
662 #define PIN_NONFAULT BIT(3)
663 #define PIN_NOEVICT BIT(4)
665 #define PIN_MBZ BIT(5) /* I915_VMA_PIN_OVERFLOW */
666 #define PIN_GLOBAL BIT(6) /* I915_VMA_GLOBAL_BIND */
667 #define PIN_USER BIT(7) /* I915_VMA_LOCAL_BIND */
668 #define PIN_UPDATE BIT(8)
670 #define PIN_HIGH BIT(9)
671 #define PIN_OFFSET_BIAS BIT(10)
672 #define PIN_OFFSET_FIXED BIT(11)
673 #define PIN_OFFSET_MASK (-I915_GTT_PAGE_SIZE)