1 /*
2  * Copyright 2005 Stephane Marchesin.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #ifndef __NOUVEAU_DRM_H__
26 #define __NOUVEAU_DRM_H__
27 
28 #define NOUVEAU_DRM_HEADER_PATCHLEVEL 16
29 
30 #include "drm.h"
31 
32 #if defined(__cplusplus)
33 extern "C" {
34 #endif
35 
36 struct drm_nouveau_channel_alloc {
37 	uint32_t     fb_ctxdma_handle;
38 	uint32_t     tt_ctxdma_handle;
39 
40 	int          channel;
41 	uint32_t     pushbuf_domains;
42 
43 	/* Notifier memory */
44 	uint32_t     notifier_handle;
45 
46 	/* DRM-enforced subchannel assignments */
47 	struct {
48 		uint32_t handle;
49 		uint32_t grclass;
50 	} subchan[8];
51 	uint32_t nr_subchan;
52 };
53 
54 struct drm_nouveau_channel_free {
55 	int channel;
56 };
57 
58 struct drm_nouveau_grobj_alloc {
59 	int      channel;
60 	uint32_t handle;
61 	int      class;
62 };
63 
64 struct drm_nouveau_notifierobj_alloc {
65 	uint32_t channel;
66 	uint32_t handle;
67 	uint32_t size;
68 	uint32_t offset;
69 };
70 
71 struct drm_nouveau_gpuobj_free {
72 	int      channel;
73 	uint32_t handle;
74 };
75 
76 #define NOUVEAU_GETPARAM_PCI_VENDOR      3
77 #define NOUVEAU_GETPARAM_PCI_DEVICE      4
78 #define NOUVEAU_GETPARAM_BUS_TYPE        5
79 #define NOUVEAU_GETPARAM_FB_SIZE         8
80 #define NOUVEAU_GETPARAM_AGP_SIZE        9
81 #define NOUVEAU_GETPARAM_CHIPSET_ID      11
82 #define NOUVEAU_GETPARAM_VM_VRAM_BASE    12
83 #define NOUVEAU_GETPARAM_GRAPH_UNITS     13
84 #define NOUVEAU_GETPARAM_PTIMER_TIME     14
85 #define NOUVEAU_GETPARAM_HAS_BO_USAGE    15
86 #define NOUVEAU_GETPARAM_HAS_PAGEFLIP    16
87 struct drm_nouveau_getparam {
88 	uint64_t param;
89 	uint64_t value;
90 };
91 
92 struct drm_nouveau_setparam {
93 	uint64_t param;
94 	uint64_t value;
95 };
96 
97 #define NOUVEAU_GEM_DOMAIN_CPU       (1 << 0)
98 #define NOUVEAU_GEM_DOMAIN_VRAM      (1 << 1)
99 #define NOUVEAU_GEM_DOMAIN_GART      (1 << 2)
100 #define NOUVEAU_GEM_DOMAIN_MAPPABLE  (1 << 3)
101 #define NOUVEAU_GEM_DOMAIN_COHERENT  (1 << 4)
102 
103 #define NOUVEAU_GEM_TILE_COMP        0x00030000 /* nv50-only */
104 #define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00
105 #define NOUVEAU_GEM_TILE_16BPP       0x00000001
106 #define NOUVEAU_GEM_TILE_32BPP       0x00000002
107 #define NOUVEAU_GEM_TILE_ZETA        0x00000004
108 #define NOUVEAU_GEM_TILE_NONCONTIG   0x00000008
109 
110 struct drm_nouveau_gem_info {
111 	__u32 handle;
112 	__u32 domain;
113 	__u64 size;
114 	__u64 offset;
115 	__u64 map_handle;
116 	__u32 tile_mode;
117 	__u32 tile_flags;
118 };
119 
120 struct drm_nouveau_gem_new {
121 	struct drm_nouveau_gem_info info;
122 	__u32 channel_hint;
123 	__u32 align;
124 };
125 
126 #define NOUVEAU_GEM_MAX_BUFFERS 1024
127 struct drm_nouveau_gem_pushbuf_bo_presumed {
128 	__u32 valid;
129 	__u32 domain;
130 	__u64 offset;
131 };
132 
133 struct drm_nouveau_gem_pushbuf_bo {
134 	__u64 user_priv;
135 	__u32 handle;
136 	__u32 read_domains;
137 	__u32 write_domains;
138 	__u32 valid_domains;
139 	struct drm_nouveau_gem_pushbuf_bo_presumed presumed;
140 };
141 
142 #define NOUVEAU_GEM_RELOC_LOW  (1 << 0)
143 #define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
144 #define NOUVEAU_GEM_RELOC_OR   (1 << 2)
145 #define NOUVEAU_GEM_MAX_RELOCS 1024
146 struct drm_nouveau_gem_pushbuf_reloc {
147 	__u32 reloc_bo_index;
148 	__u32 reloc_bo_offset;
149 	__u32 bo_index;
150 	__u32 flags;
151 	__u32 data;
152 	__u32 vor;
153 	__u32 tor;
154 };
155 
156 #define NOUVEAU_GEM_MAX_PUSH 512
157 struct drm_nouveau_gem_pushbuf_push {
158 	__u32 bo_index;
159 	__u32 pad;
160 	__u64 offset;
161 	__u64 length;
162 };
163 
164 struct drm_nouveau_gem_pushbuf {
165 	__u32 channel;
166 	__u32 nr_buffers;
167 	__u64 buffers;
168 	__u32 nr_relocs;
169 	__u32 nr_push;
170 	__u64 relocs;
171 	__u64 push;
172 	__u32 suffix0;
173 	__u32 suffix1;
174 #define NOUVEAU_GEM_PUSHBUF_SYNC                                    (1ULL << 0)
175 	__u64 vram_available;
176 	__u64 gart_available;
177 };
178 
179 #define NOUVEAU_GEM_CPU_PREP_NOWAIT                                  0x00000001
180 #define NOUVEAU_GEM_CPU_PREP_WRITE                                   0x00000004
181 struct drm_nouveau_gem_cpu_prep {
182 	__u32 handle;
183 	__u32 flags;
184 };
185 
186 struct drm_nouveau_gem_cpu_fini {
187 	__u32 handle;
188 };
189 
190 #define DRM_NOUVEAU_GETPARAM           0x00 /* deprecated */
191 #define DRM_NOUVEAU_SETPARAM           0x01 /* deprecated */
192 #define DRM_NOUVEAU_CHANNEL_ALLOC      0x02 /* deprecated */
193 #define DRM_NOUVEAU_CHANNEL_FREE       0x03 /* deprecated */
194 #define DRM_NOUVEAU_GROBJ_ALLOC        0x04 /* deprecated */
195 #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x05 /* deprecated */
196 #define DRM_NOUVEAU_GPUOBJ_FREE        0x06 /* deprecated */
197 #define DRM_NOUVEAU_NVIF               0x07
198 #define DRM_NOUVEAU_SVM_INIT           0x08
199 #define DRM_NOUVEAU_SVM_BIND           0x09
200 #define DRM_NOUVEAU_GEM_NEW            0x40
201 #define DRM_NOUVEAU_GEM_PUSHBUF        0x41
202 #define DRM_NOUVEAU_GEM_CPU_PREP       0x42
203 #define DRM_NOUVEAU_GEM_CPU_FINI       0x43
204 #define DRM_NOUVEAU_GEM_INFO           0x44
205 
206 struct drm_nouveau_svm_init {
207 	__u64 unmanaged_addr;
208 	__u64 unmanaged_size;
209 };
210 
211 struct drm_nouveau_svm_bind {
212 	__u64 header;
213 	__u64 va_start;
214 	__u64 va_end;
215 	__u64 npages;
216 	__u64 stride;
217 	__u64 result;
218 	__u64 reserved0;
219 	__u64 reserved1;
220 };
221 
222 #define NOUVEAU_SVM_BIND_COMMAND_SHIFT          0
223 #define NOUVEAU_SVM_BIND_COMMAND_BITS           8
224 #define NOUVEAU_SVM_BIND_COMMAND_MASK           ((1 << 8) - 1)
225 #define NOUVEAU_SVM_BIND_PRIORITY_SHIFT         8
226 #define NOUVEAU_SVM_BIND_PRIORITY_BITS          8
227 #define NOUVEAU_SVM_BIND_PRIORITY_MASK          ((1 << 8) - 1)
228 #define NOUVEAU_SVM_BIND_TARGET_SHIFT           16
229 #define NOUVEAU_SVM_BIND_TARGET_BITS            32
230 #define NOUVEAU_SVM_BIND_TARGET_MASK            0xffffffff
231 
232 /*
233  * Below is use to validate ioctl argument, userspace can also use it to make
234  * sure that no bit are set beyond known fields for a given kernel version.
235  */
236 #define NOUVEAU_SVM_BIND_VALID_BITS     48
237 #define NOUVEAU_SVM_BIND_VALID_MASK     ((1ULL << NOUVEAU_SVM_BIND_VALID_BITS) - 1)
238 
239 
240 /*
241  * NOUVEAU_BIND_COMMAND__MIGRATE: synchronous migrate to target memory.
242  * result: number of page successfuly migrate to the target memory.
243  */
244 #define NOUVEAU_SVM_BIND_COMMAND__MIGRATE               0
245 
246 /*
247  * NOUVEAU_SVM_BIND_HEADER_TARGET__GPU_VRAM: target the GPU VRAM memory.
248  */
249 #define NOUVEAU_SVM_BIND_TARGET__GPU_VRAM               (1UL << 31)
250 
251 
252 #if defined(__cplusplus)
253 }
254 #endif
255 
256 #endif /* __NOUVEAU_DRM_H__ */
257