Commit | Line | Data |
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12cbb469 JA |
1 | #ifndef _SYSLET_H_ |
2 | #define _SYSLET_H_ | |
a4f4fdd7 | 3 | |
12cbb469 | 4 | #include "kcompat.h" |
ad18c1ec | 5 | |
12cbb469 JA |
6 | struct syslet_frame { |
7 | u64 ip; | |
8 | u64 sp; | |
a4f4fdd7 JA |
9 | }; |
10 | ||
12cbb469 JA |
11 | struct syslet_args { |
12 | u64 ring_ptr; | |
13 | u64 caller_data; | |
14 | struct syslet_frame frame; | |
15 | }; | |
a4f4fdd7 | 16 | |
12cbb469 JA |
17 | struct syslet_completion { |
18 | u64 status; | |
19 | u64 caller_data; | |
20 | }; | |
a4f4fdd7 | 21 | |
12cbb469 JA |
22 | struct syslet_ring { |
23 | u32 kernel_head; | |
24 | u32 user_tail; | |
25 | u32 elements; | |
26 | u32 wait_group; | |
27 | struct syslet_completion comp[0]; | |
28 | }; | |
bf0dc8fa | 29 | |
12cbb469 JA |
30 | #ifdef __x86_64__ |
31 | #define __NR_syslet_ring_wait 287 | |
32 | #elif defined __i386__ | |
33 | #define __NR_syslet_ring_wait 326 | |
34 | #endif | |
bf0dc8fa | 35 | |
12cbb469 | 36 | #define ESYSLETPENDING 132 |
a4f4fdd7 | 37 | |
12cbb469 | 38 | typedef void (*syslet_return_func_t)(void); |
bf0dc8fa | 39 | |
f3de88a7 JA |
40 | static inline void fill_syslet_args(struct syslet_args *args, |
41 | struct syslet_ring *ring, uint64_t caller_data, | |
42 | syslet_return_func_t func, void *stack) | |
12cbb469 JA |
43 | { |
44 | args->ring_ptr = (u64)(unsigned long)ring; | |
45 | args->caller_data = caller_data; | |
46 | args->frame.ip = (u64)(unsigned long)func; | |
47 | args->frame.sp = (u64)(unsigned long)stack; | |
48 | } | |
a4f4fdd7 JA |
49 | |
50 | #endif |