Commit 8fc3b0f1 authored by Guixin Liu's avatar Guixin Liu Committed by Keith Busch
Browse files

nvmet: add tracing of authentication commands 



Add nvme_fabrics_type_auth_send and nvme_fabrics_type_auth_receive
to the nvme target's tracing facility.

Signed-off-by: default avatarGuixin Liu <kanie@linux.alibaba.com>
Reviewed-by: default avatarChaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarKeith Busch <kbusch@kernel.org>
parent 1843671f

drivers/nvme/target/trace.c

+32 −0
Original line number Diff line number Diff line
@@ -176,6 +176,34 @@ static const char *nvmet_trace_fabrics_property_get(struct trace_seq *p, 
	return ret;

}



static const char *nvmet_trace_fabrics_auth_send(struct trace_seq *p, u8 *spc)

{

	const char *ret = trace_seq_buffer_ptr(p);

	u8 spsp0 = spc[1];

	u8 spsp1 = spc[2];

	u8 secp = spc[3];

	u32 tl = get_unaligned_le32(spc + 4);



	trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, tl=%u",

			 spsp0, spsp1, secp, tl);

	trace_seq_putc(p, 0);

	return ret;

}



static const char *nvmet_trace_fabrics_auth_receive(struct trace_seq *p, u8 *spc)

{

	const char *ret = trace_seq_buffer_ptr(p);

	u8 spsp0 = spc[1];

	u8 spsp1 = spc[2];

	u8 secp = spc[3];

	u32 al = get_unaligned_le32(spc + 4);



	trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, al=%u",

			 spsp0, spsp1, secp, al);

	trace_seq_putc(p, 0);

	return ret;

}



static const char *nvmet_trace_fabrics_common(struct trace_seq *p, u8 *spc)

{

	const char *ret = trace_seq_buffer_ptr(p);
@@ -195,6 +223,10 @@ const char *nvmet_trace_parse_fabrics_cmd(struct trace_seq *p, 
		return nvmet_trace_fabrics_connect(p, spc);

	case nvme_fabrics_type_property_get:

		return nvmet_trace_fabrics_property_get(p, spc);

	case nvme_fabrics_type_auth_send:

		return nvmet_trace_fabrics_auth_send(p, spc);

	case nvme_fabrics_type_auth_receive:

		return nvmet_trace_fabrics_auth_receive(p, spc);

	default:

		return nvmet_trace_fabrics_common(p, spc);

	}