1 #include <string.h>
2 #include "blktrace.h"
3
4 #define DECLARE_MASK_MAP(mask) { BLK_TC_##mask, #mask, "BLK_TC_"#mask }
5 #define COMPARE_MASK_MAP(mmp, str) \
6 (!strcasecmp((mmp)->short_form, (str)) || \
7 !strcasecmp((mmp)->long_form, (str)))
8
9 struct mask_map {
10 int mask;
11 char *short_form;
12 char *long_form;
13 };
14
15 static struct mask_map mask_maps[] = {
16 DECLARE_MASK_MAP(READ),
17 DECLARE_MASK_MAP(WRITE),
18 DECLARE_MASK_MAP(BARRIER),
19 DECLARE_MASK_MAP(SYNC),
20 DECLARE_MASK_MAP(QUEUE),
21 DECLARE_MASK_MAP(REQUEUE),
22 DECLARE_MASK_MAP(ISSUE),
23 DECLARE_MASK_MAP(COMPLETE),
24 DECLARE_MASK_MAP(FS),
25 DECLARE_MASK_MAP(PC),
26 DECLARE_MASK_MAP(NOTIFY),
27 DECLARE_MASK_MAP(AHEAD),
28 DECLARE_MASK_MAP(META),
29 DECLARE_MASK_MAP(DISCARD),
30 DECLARE_MASK_MAP(DRV_DATA),
31 };
32
find_mask_map(char * string)33 int find_mask_map(char *string)
34 {
35 unsigned int i;
36
37 for (i = 0; i < sizeof(mask_maps)/sizeof(mask_maps[0]); i++)
38 if (COMPARE_MASK_MAP(&mask_maps[i], string))
39 return mask_maps[i].mask;
40
41 return -1;
42 }
43
valid_act_opt(int x)44 int valid_act_opt(int x)
45 {
46 return (1 <= x) && (x < (1 << BLK_TC_SHIFT));
47 }
48