Commit 4a407d5e authored by Johannes Thumshirn's avatar Johannes Thumshirn Committed by Christoph Hellwig
Browse files

nvme: add tracing of zns commands 



When support for the NVMe ZNS commands was merged, tracing of these has
been omitted.

Add nvme_cmd_zone_mgmt_send, nvme_cmd_zone_mgmt_recv as well as
nvme_cmd_zone_append to the nvme driver's tracing facility.

Signed-off-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 3a98c51a

drivers/nvme/host/trace.c

+34 −0
Original line number Diff line number Diff line
@@ -148,6 +148,35 @@ static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10) 
	return ret;

}



static const char *nvme_trace_zone_mgmt_send(struct trace_seq *p, u8 *cdw10)

{

	const char *ret = trace_seq_buffer_ptr(p);

	u64 slba = get_unaligned_le64(cdw10);

	u8 zsa = cdw10[12];

	u8 all = cdw10[13];



	trace_seq_printf(p, "slba=%llu, zsa=%u, all=%u", slba, zsa, all);

	trace_seq_putc(p, 0);



	return ret;

}



static const char *nvme_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10)

{

	const char *ret = trace_seq_buffer_ptr(p);

	u64 slba = get_unaligned_le64(cdw10);

	u32 numd = get_unaligned_le32(cdw10 + 8);

	u8 zra = cdw10[12];

	u8 zrasf = cdw10[13];

	u8 pr = cdw10[14];



	trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u, pr=%u",

			 slba, numd, zra, zrasf, pr);

	trace_seq_putc(p, 0);



	return ret;

}



static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)

{

	const char *ret = trace_seq_buffer_ptr(p);
@@ -190,9 +219,14 @@ const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p, 
	case nvme_cmd_read:

	case nvme_cmd_write:

	case nvme_cmd_write_zeroes:

	case nvme_cmd_zone_append:

		return nvme_trace_read_write(p, cdw10);

	case nvme_cmd_dsm:

		return nvme_trace_dsm(p, cdw10);

	case nvme_cmd_zone_mgmt_send:

		return nvme_trace_zone_mgmt_send(p, cdw10);

	case nvme_cmd_zone_mgmt_recv:

		return nvme_trace_zone_mgmt_recv(p, cdw10);

	default:

		return nvme_trace_common(p, cdw10);

	}

include/linux/nvme.h

+5 −1
Original line number Diff line number Diff line
@@ -697,7 +697,11 @@ enum nvme_opcode { 
		nvme_opcode_name(nvme_cmd_resv_register),	\

		nvme_opcode_name(nvme_cmd_resv_report),		\

		nvme_opcode_name(nvme_cmd_resv_acquire),	\

		nvme_opcode_name(nvme_cmd_resv_release))

		nvme_opcode_name(nvme_cmd_resv_release),	\

		nvme_opcode_name(nvme_cmd_zone_mgmt_send),	\

		nvme_opcode_name(nvme_cmd_zone_mgmt_recv),	\

		nvme_opcode_name(nvme_cmd_zone_append))







/*