diff options
Diffstat (limited to 'act_mask.c')
-rw-r--r-- | act_mask.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/act_mask.c b/act_mask.c new file mode 100644 index 0000000..8890887 --- /dev/null +++ b/act_mask.c @@ -0,0 +1,47 @@ +#include <string.h> +#include "blktrace.h" + +#define DECLARE_MASK_MAP(mask) { BLK_TC_##mask, #mask, "BLK_TC_"#mask } +#define COMPARE_MASK_MAP(mmp, str) \ + (!strcasecmp((mmp)->short_form, (str)) || \ + !strcasecmp((mmp)->long_form, (str))) + +struct mask_map { + int mask; + char *short_form; + char *long_form; +}; + +static struct mask_map mask_maps[] = { + DECLARE_MASK_MAP(READ), + DECLARE_MASK_MAP(WRITE), + DECLARE_MASK_MAP(BARRIER), + DECLARE_MASK_MAP(SYNC), + DECLARE_MASK_MAP(QUEUE), + DECLARE_MASK_MAP(REQUEUE), + DECLARE_MASK_MAP(ISSUE), + DECLARE_MASK_MAP(COMPLETE), + DECLARE_MASK_MAP(FS), + DECLARE_MASK_MAP(PC), + DECLARE_MASK_MAP(NOTIFY), + DECLARE_MASK_MAP(AHEAD), + DECLARE_MASK_MAP(META), + DECLARE_MASK_MAP(DISCARD), + DECLARE_MASK_MAP(DRV_DATA), +}; + +int find_mask_map(char *string) +{ + unsigned int i; + + for (i = 0; i < sizeof(mask_maps)/sizeof(mask_maps[0]); i++) + if (COMPARE_MASK_MAP(&mask_maps[i], string)) + return mask_maps[i].mask; + + return -1; +} + +int valid_act_opt(int x) +{ + return (1 <= x) && (x < (1 << BLK_TC_SHIFT)); +} |