Commit 798edad9 authored by Guixin Liu's avatar Guixin Liu Committed by Keith Busch
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nvme: parse format command's lbafu when tracing 



Add the parse of format command's lbafu to calculate lbaf.

Signed-off-by: default avatarGuixin Liu <kanie@linux.alibaba.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarKeith Busch <kbusch@kernel.org>
parent 6a0164f9

drivers/nvme/host/trace.c

+4 −1
Original line number Diff line number Diff line
@@ -119,7 +119,10 @@ static const char *nvme_trace_get_lba_status(struct trace_seq *p, 
static const char *nvme_trace_admin_format_nvm(struct trace_seq *p, u8 *cdw10)

{

	const char *ret = trace_seq_buffer_ptr(p);

	u8 lbaf = cdw10[0] & 0xF;

	/*

	 * lbafu(bit 13:12) is already in the upper 4 bits, lbafl: bit 03:00.

	 */

	u8 lbaf = (cdw10[1] & 0x30) | (cdw10[0] & 0xF);

	u8 mset = (cdw10[0] >> 4) & 0x1;

	u8 pi = (cdw10[0] >> 5) & 0x7;

	u8 pil = cdw10[1] & 0x1;