1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_OS_H__
3 #define __NVKM_OS_H__
4 #include <nvif/os.h>
5
6 #ifdef __BIG_ENDIAN
7 #define ioread16_native ioread16be
8 #define iowrite16_native iowrite16be
9 #define ioread32_native ioread32be
10 #define iowrite32_native iowrite32be
11 #else
12 #define ioread16_native ioread16
13 #define iowrite16_native iowrite16
14 #define ioread32_native ioread32
15 #define iowrite32_native iowrite32
16 #endif
17
18 #define iowrite64_native(v,p) do { \
19 u32 __iomem *_p = (u32 __iomem *)(p); \
20 u64 _v = (v); \
21 iowrite32_native(lower_32_bits(_v), &_p[0]); \
22 iowrite32_native(upper_32_bits(_v), &_p[1]); \
23 } while(0)
24
25 struct nvkm_blob {
26 void *data;
27 u32 size;
28 };
29
30 static inline void
nvkm_blob_dtor(struct nvkm_blob * blob)31 nvkm_blob_dtor(struct nvkm_blob *blob)
32 {
33 kfree(blob->data);
34 blob->data = NULL;
35 blob->size = 0;
36 }
37
38 #define nvkm_list_find_next(p,h,m,c) ({ \
39 typeof(p) _p = NULL; \
40 list_for_each_entry_continue(p, (h), m) { \
41 if (c) { \
42 _p = p; \
43 break; \
44 } \
45 } \
46 _p; \
47 })
48 #define nvkm_list_find(p,h,m,c) \
49 (p = container_of((h), typeof(*p), m), nvkm_list_find_next(p, (h), m, (c)))
50 #define nvkm_list_foreach(p,h,m,c) \
51 for (p = nvkm_list_find(p, (h), m, (c)); p; p = nvkm_list_find_next(p, (h), m, (c)))
52 #endif
53