1 /*
2  * Copyright © 2018 Intel Corporation
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
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #ifndef GEN_CONTEXT_H
25 #define GEN_CONTEXT_H
26 
27 #include <stdint.h>
28 
29 #define RING_SIZE         (1 * 4096)
30 #define PPHWSP_SIZE         (1 * 4096)
31 
32 #define GEN11_LR_CONTEXT_RENDER_SIZE    (14 * 4096)
33 #define GEN10_LR_CONTEXT_RENDER_SIZE    (19 * 4096)
34 #define GEN9_LR_CONTEXT_RENDER_SIZE     (22 * 4096)
35 #define GEN8_LR_CONTEXT_RENDER_SIZE     (20 * 4096)
36 #define GEN8_LR_CONTEXT_OTHER_SIZE      (2 * 4096)
37 
38 #define CONTEXT_RENDER_SIZE GEN9_LR_CONTEXT_RENDER_SIZE /* largest size */
39 #define CONTEXT_OTHER_SIZE GEN8_LR_CONTEXT_OTHER_SIZE
40 
41 #define MI_LOAD_REGISTER_IMM_n(n) ((0x22 << 23) | (2 * (n) - 1))
42 #define MI_LRI_FORCE_POSTED       (1<<12)
43 
44 #define MI_BATCH_BUFFER_END (0xA << 23)
45 
46 #define HWS_PGA_RCSUNIT      0x02080
47 #define HWS_PGA_VCSUNIT0   0x12080
48 #define HWS_PGA_BCSUNIT      0x22080
49 
50 #define GFX_MODE_RCSUNIT   0x0229c
51 #define GFX_MODE_VCSUNIT0   0x1229c
52 #define GFX_MODE_BCSUNIT   0x2229c
53 
54 #define EXECLIST_SUBMITPORT_RCSUNIT   0x02230
55 #define EXECLIST_SUBMITPORT_VCSUNIT0   0x12230
56 #define EXECLIST_SUBMITPORT_BCSUNIT   0x22230
57 
58 #define EXECLIST_STATUS_RCSUNIT      0x02234
59 #define EXECLIST_STATUS_VCSUNIT0   0x12234
60 #define EXECLIST_STATUS_BCSUNIT      0x22234
61 
62 #define EXECLIST_SQ_CONTENTS0_RCSUNIT   0x02510
63 #define EXECLIST_SQ_CONTENTS0_VCSUNIT0   0x12510
64 #define EXECLIST_SQ_CONTENTS0_BCSUNIT   0x22510
65 
66 #define EXECLIST_CONTROL_RCSUNIT   0x02550
67 #define EXECLIST_CONTROL_VCSUNIT0   0x12550
68 #define EXECLIST_CONTROL_BCSUNIT   0x22550
69 
70 #define MEMORY_MAP_SIZE (64 /* MiB */ * 1024 * 1024)
71 
72 #define PTE_SIZE 4
73 #define GEN8_PTE_SIZE 8
74 
75 #define NUM_PT_ENTRIES (ALIGN(MEMORY_MAP_SIZE, 4096) / 4096)
76 #define PT_SIZE ALIGN(NUM_PT_ENTRIES * GEN8_PTE_SIZE, 4096)
77 
78 #define CONTEXT_FLAGS (0x339)   /* Normal Priority | L3-LLC Coherency |
79                                  * PPGTT Enabled |
80                                  * Legacy Context with 64 bit VA support |
81                                  * Valid
82                                  */
83 
84 #define MI_LOAD_REGISTER_IMM_vals(data, flags, ...) do {                \
85       uint32_t __regs[] = { __VA_ARGS__ };                              \
86       assert((ARRAY_SIZE(__regs) % 2) == 0);                            \
87       *(data)++ = MI_LOAD_REGISTER_IMM_n(ARRAY_SIZE(__regs) / 2) | (flags); \
88       for (unsigned __e = 0; __e < ARRAY_SIZE(__regs); __e++)           \
89          *(data)++ = __regs[__e];                                       \
90    } while (0)
91 
92 
93 struct gen_context_parameters {
94    uint64_t pml4_addr;
95    uint64_t ring_addr;
96    uint32_t ring_size;
97 };
98 
99 typedef void (*gen_context_init_t)(const struct gen_context_parameters *, uint32_t *, uint32_t *);
100 
101 #include "gen8_context.h"
102 #include "gen10_context.h"
103 
104 #endif /* GEN_CONTEXT_H */
105