1 | /* |
2 | * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. |
3 | * |
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: |
10 | * |
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 |
13 | * Software. |
14 | * |
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 FROM, |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
21 | * SOFTWARE. |
22 | * |
23 | * Authors: |
24 | * Ke Yu |
25 | * Kevin Tian <kevin.tian@intel.com> |
26 | * Dexuan Cui |
27 | * |
28 | * Contributors: |
29 | * Tina Zhang <tina.zhang@intel.com> |
30 | * Min He <min.he@intel.com> |
31 | * Niu Bing <bing.niu@intel.com> |
32 | * Zhi Wang <zhi.a.wang@intel.com> |
33 | * |
34 | */ |
35 | |
36 | #ifndef _GVT_MMIO_H_ |
37 | #define _GVT_MMIO_H_ |
38 | |
39 | #include <linux/types.h> |
40 | |
41 | struct intel_gvt; |
42 | struct intel_vgpu; |
43 | |
44 | #define D_BDW (1 << 0) |
45 | #define D_SKL (1 << 1) |
46 | #define D_KBL (1 << 2) |
47 | #define D_BXT (1 << 3) |
48 | #define D_CFL (1 << 4) |
49 | |
50 | #define D_GEN9PLUS (D_SKL | D_KBL | D_BXT | D_CFL) |
51 | #define D_GEN8PLUS (D_BDW | D_SKL | D_KBL | D_BXT | D_CFL) |
52 | |
53 | #define D_SKL_PLUS (D_SKL | D_KBL | D_BXT | D_CFL) |
54 | #define D_BDW_PLUS (D_BDW | D_SKL | D_KBL | D_BXT | D_CFL) |
55 | |
56 | #define D_PRE_SKL (D_BDW) |
57 | #define D_ALL (D_BDW | D_SKL | D_KBL | D_BXT | D_CFL) |
58 | |
59 | typedef int (*gvt_mmio_func)(struct intel_vgpu *, unsigned int, void *, |
60 | unsigned int); |
61 | |
62 | struct intel_gvt_mmio_info { |
63 | u32 offset; |
64 | u64 ro_mask; |
65 | gvt_mmio_func read; |
66 | gvt_mmio_func write; |
67 | struct hlist_node node; |
68 | }; |
69 | |
70 | const struct intel_engine_cs * |
71 | intel_gvt_render_mmio_to_engine(struct intel_gvt *gvt, unsigned int reg); |
72 | unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt); |
73 | |
74 | int intel_gvt_setup_mmio_info(struct intel_gvt *gvt); |
75 | void intel_gvt_clean_mmio_info(struct intel_gvt *gvt); |
76 | int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt, |
77 | int (*handler)(struct intel_gvt *gvt, u32 offset, void *data), |
78 | void *data); |
79 | |
80 | struct intel_gvt_mmio_info *intel_gvt_find_mmio_info(struct intel_gvt *gvt, |
81 | unsigned int offset); |
82 | |
83 | int intel_vgpu_init_mmio(struct intel_vgpu *vgpu); |
84 | void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu, bool dmlr); |
85 | void intel_vgpu_clean_mmio(struct intel_vgpu *vgpu); |
86 | |
87 | int intel_vgpu_gpa_to_mmio_offset(struct intel_vgpu *vgpu, u64 gpa); |
88 | |
89 | int intel_vgpu_emulate_mmio_read(struct intel_vgpu *vgpu, u64 pa, |
90 | void *p_data, unsigned int bytes); |
91 | int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, u64 pa, |
92 | void *p_data, unsigned int bytes); |
93 | |
94 | int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, |
95 | void *p_data, unsigned int bytes); |
96 | int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, |
97 | void *p_data, unsigned int bytes); |
98 | |
99 | bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt, |
100 | unsigned int offset); |
101 | |
102 | int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset, |
103 | void *pdata, unsigned int bytes, bool is_read); |
104 | |
105 | int intel_vgpu_mask_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, |
106 | void *p_data, unsigned int bytes); |
107 | |
108 | void intel_gvt_restore_fence(struct intel_gvt *gvt); |
109 | void intel_gvt_restore_mmio(struct intel_gvt *gvt); |
110 | |
111 | #endif |
112 | |