1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
From f8525598b2b0c327686910133fcc7c3df5e4c154 Mon Sep 17 00:00:00 2001
From: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Date: Mon, 9 Apr 2018 16:03:21 -0400
Subject: [PATCH 4255/5725] drm/amdkfd: CMA: Store mem_type in KFD BO
It is needed for supporting CMA when the BOs belong to different
devices.
Change-Id: I9acc5595e574141d8955e36ff0a98e5bac9b6fc1
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 7 ++++++-
drivers/gpu/drm/amd/amdkfd/kfd_ipc.c | 2 +-
drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 2 ++
drivers/gpu/drm/amd/amdkfd/kfd_process.c | 10 +++++++++-
4 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index a216225..0972243 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1246,6 +1246,7 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
uint32_t flags = args->flags;
struct vm_area_struct *vma;
uint64_t cpuva = 0;
+ unsigned int mem_type = 0;
if (args->size == 0)
return -EINVAL;
@@ -1305,8 +1306,12 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
if (err)
goto err_unlock;
+ mem_type = flags & (KFD_IOC_ALLOC_MEM_FLAGS_VRAM |
+ KFD_IOC_ALLOC_MEM_FLAGS_GTT |
+ KFD_IOC_ALLOC_MEM_FLAGS_USERPTR |
+ KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL);
idr_handle = kfd_process_device_create_obj_handle(pdd, mem,
- args->va_addr, args->size, cpuva, NULL);
+ args->va_addr, args->size, cpuva, mem_type, NULL);
if (idr_handle < 0) {
err = -EFAULT;
goto err_free;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c b/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c
index 845dbf7..a53d954 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c
@@ -140,7 +140,7 @@ static int kfd_import_dmabuf_create_kfd_bo(struct kfd_dev *dev,
goto err_unlock;
idr_handle = kfd_process_device_create_obj_handle(pdd, mem,
- va_addr, size, 0,
+ va_addr, size, 0, 0,
ipc_obj);
if (idr_handle < 0) {
r = -EFAULT;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index cbb65b0..3f77bab 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -303,6 +303,7 @@ struct kfd_bo {
struct kfd_ipc_obj *kfd_ipc_obj;
/* page-aligned VA address */
uint64_t cpuva;
+ unsigned int mem_type;
};
struct cma_system_bo {
@@ -819,6 +820,7 @@ int kfd_reserved_mem_mmap(struct kfd_process *process,
int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd,
void *mem, uint64_t start,
uint64_t length, uint64_t cpuva,
+ unsigned int mem_type,
struct kfd_ipc_obj *ipc_obj);
void *kfd_process_device_translate_handle(struct kfd_process_device *p,
int handle);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index ef71670..3650183 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -118,6 +118,7 @@ static int kfd_process_alloc_gpuvm(struct kfd_process_device *pdd,
struct kgd_mem *mem = NULL;
int handle;
int err;
+ unsigned int mem_type;
err = kdev->kfd2kgd->alloc_memory_of_gpu(kdev->kgd, gpu_va, size,
pdd->vm, NULL, &mem, NULL,
@@ -135,13 +136,18 @@ static int kfd_process_alloc_gpuvm(struct kfd_process_device *pdd,
goto sync_memory_failed;
}
+ mem_type = flags & (KFD_IOC_ALLOC_MEM_FLAGS_VRAM |
+ KFD_IOC_ALLOC_MEM_FLAGS_GTT |
+ KFD_IOC_ALLOC_MEM_FLAGS_USERPTR |
+ KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL);
+
/* Create an obj handle so kfd_process_device_remove_obj_handle
* will take care of the bo removal when the process finishes.
* We do not need to take p->mutex, because the process is just
* created and the ioctls have not had the chance to run.
*/
handle = kfd_process_device_create_obj_handle(
- pdd, mem, gpu_va, size, 0, NULL);
+ pdd, mem, gpu_va, size, 0, mem_type, NULL);
if (handle < 0) {
err = handle;
@@ -808,6 +814,7 @@ bool kfd_has_process_device_data(struct kfd_process *p)
int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd,
void *mem, uint64_t start,
uint64_t length, uint64_t cpuva,
+ unsigned int mem_type,
struct kfd_ipc_obj *ipc_obj)
{
int handle;
@@ -829,6 +836,7 @@ int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd,
buf_obj->dev = pdd->dev;
buf_obj->kfd_ipc_obj = ipc_obj;
buf_obj->cpuva = cpuva;
+ buf_obj->mem_type = mem_type;
INIT_LIST_HEAD(&buf_obj->cb_data_head);
--
2.7.4
|