xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h (revision 5b0764a53235d3c77e1ed674e836e1b3fe1a4b1f)
1 /*
2  * Copyright 2018 Advanced Micro Devices, Inc.
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 shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #ifndef __AMDGPU_SDMA_H__
25 #define __AMDGPU_SDMA_H__
26 
27 #include "amdgpu_sdma_types.h"
28 #include "amdgpu.h"
29 #include "amdgpu_ring.h"
30 
31 #include <linux/types.h>
32 
33 struct amdgpu_device;
34 struct amdgpu_iv_entry;
35 struct amdgpu_irq_src;
36 struct amdgpu_ring;
37 struct ras_common_if;
38 
39 #define NUM_SDMA(x) hweight32(x)
40 
41 int __printf(4, 5)
42 amdgpu_sdma_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
43 		      unsigned int instance, const char *fmt, ...);
44 
45 int amdgpu_sdma_reset_engine(struct amdgpu_device *adev, uint32_t instance_id);
46 
47 int amdgpu_sdma_reset_queue_legacy(struct amdgpu_ring *ring,
48 				   unsigned int vmid,
49 				   struct amdgpu_fence *timedout_fence);
50 
51 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b, t) (adev)->mman.buffer_funcs->emit_copy_buffer((ib),  (s), (d), (b), (t))
52 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
53 
54 static inline struct amdgpu_sdma_instance *
55 amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring)
56 {
57 	return &ring->adev->sdma.instance[ring->me];
58 }
59 
60 static inline uint64_t
61 amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, unsigned vmid)
62 {
63 	if (vmid == 0)
64 		return 0;
65 	else
66 		return amdgpu_sdma_get_instance_from_ring(ring)->csa_addr;
67 }
68 
69 int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev,
70 			      struct ras_common_if *ras_block);
71 int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
72 		void *err_data,
73 		struct amdgpu_iv_entry *entry);
74 int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
75 				      struct amdgpu_irq_src *source,
76 				      struct amdgpu_iv_entry *entry);
77 int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, u32 instance,
78 			       bool duplicate);
79 void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
80         bool duplicate);
81 int amdgpu_sdma_ras_sw_init(struct amdgpu_device *adev);
82 void amdgpu_debugfs_sdma_sched_mask_init(struct amdgpu_device *adev);
83 int amdgpu_sdma_sysfs_reset_mask_init(struct amdgpu_device *adev);
84 void amdgpu_sdma_sysfs_reset_mask_fini(struct amdgpu_device *adev);
85 bool amdgpu_sdma_is_shared_inv_eng(struct amdgpu_device *adev, struct amdgpu_ring *ring);
86 struct amdgpu_ring *amdgpu_sdma_get_shared_ring(struct amdgpu_device *adev,
87 	struct amdgpu_ring *ring);
88 #endif
89