blktrace: add block trace commands for zone operations

Add block trace commands for zone operations. These commands can only be handled with version 2 of the blktrace protocol. For version 1, warn if a command that does not fit into the 16 bits reserved for the command in this version is passed in.

Johannes Thumshirn committed 1 year ago

Commit f9ee38b1 parent 4d8bc7b2 files · +36 −6Browse files

Showing the changes to include/uapi (1 of 2 files). Show all

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include/uapi/linux/blktrace_api.h+11−2

@@ -26,11 +26,20 @@ enum blktrace_cat { · 25 unmodified lines
26	26	BLK_TC_DRV_DATA = 1 << 14, /* binary per-driver data */
27	27	BLK_TC_FUA = 1 << 15, /* fua requests */
28	28
29		− BLK_TC_END = 1 << 15, /* we've run out of bits! */
	29	+ BLK_TC_END_V1 = 1 << 15, /* we've run out of bits! */
	30	+
	31	+ BLK_TC_ZONE_APPEND = 1ull << 16, /* zone append */
	32	+ BLK_TC_ZONE_RESET = 1ull << 17, /* zone reset */
	33	+ BLK_TC_ZONE_RESET_ALL = 1ull << 18, /* zone reset all */
	34	+ BLK_TC_ZONE_FINISH = 1ull << 19, /* zone finish */
	35	+ BLK_TC_ZONE_OPEN = 1ull << 20, /* zone open */
	36	+ BLK_TC_ZONE_CLOSE = 1ull << 21, /* zone close */
	37	+
	38	+ BLK_TC_END_V2 = 1ull << 21,
30	39	};
31	40
32	41	#define BLK_TC_SHIFT (16)
33		−#define BLK_TC_ACT(act) ((act) << BLK_TC_SHIFT)
	42	+#define BLK_TC_ACT(act) ((u64)(act) << BLK_TC_SHIFT)
34	43
35	44	/*
36	45	* Basic trace actions