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|
/* packet-nvme-mi.c
* Routines for NVMe Management Interface (NVMe-MI), over MCTP
* Copyright 2022, Jeremy Kerr <jk@codeconstruct.com.au>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/* NVMe is defined by the NVM Express Management Interface standard,
* athttps://nvmexpress.org/developers/nvme-mi-specification/
*/
#include <config.h>
#include <epan/conversation.h>
#include <epan/crc32-tvb.h>
#include <epan/packet.h>
#include <epan/to_str.h>
#include "packet-sll.h"
#include "packet-mctp.h"
#include "packet-nvme.h"
void proto_register_nvme_mi(void);
void proto_reg_handoff_nvme_mi(void);
static int proto_nvme_mi;
static int hf_nvme_mi_mctp_mt;
static int hf_nvme_mi_mctp_ic;
static int hf_nvme_mi_csi;
static int hf_nvme_mi_type;
static int hf_nvme_mi_ror;
static int hf_nvme_mi_meb;
static int hf_nvme_mi_mic;
static int hf_nvme_mi_mi_opcode;
static int hf_nvme_mi_mi_cdw0;
static int hf_nvme_mi_mi_cdw1;
static int hf_nvme_mi_mi_status;
static int hf_nvme_mi_mi_nmresp;
static int hf_nvme_mi_mi_data;
static int hf_nvme_mi_admin_opcode;
static int hf_nvme_mi_admin_status;
static int hf_nvme_mi_admin_flags;
static int hf_nvme_mi_admin_flags_doff;
static int hf_nvme_mi_admin_flags_dlen;
static int hf_nvme_mi_admin_ctrl_id;
static int hf_nvme_mi_admin_sqe1;
static int hf_nvme_mi_admin_sqe2;
static int hf_nvme_mi_admin_sqe3;
static int hf_nvme_mi_admin_sqe4;
static int hf_nvme_mi_admin_sqe5;
static int hf_nvme_mi_admin_doff;
static int hf_nvme_mi_admin_dlen;
static int hf_nvme_mi_admin_resv0;
static int hf_nvme_mi_admin_resv1;
static int hf_nvme_mi_admin_sqe10;
static int hf_nvme_mi_admin_sqe11;
static int hf_nvme_mi_admin_sqe12;
static int hf_nvme_mi_admin_sqe13;
static int hf_nvme_mi_admin_sqe14;
static int hf_nvme_mi_admin_sqe15;
static int hf_nvme_mi_admin_data;
static int hf_nvme_mi_admin_cqe1;
static int hf_nvme_mi_admin_cqe2;
static int hf_nvme_mi_admin_cqe3;
static int hf_nvme_mi_response_in;
static int hf_nvme_mi_response_to;
static int hf_nvme_mi_response_time;
static int ett_nvme_mi;
static int ett_nvme_mi_hdr;
static int ett_nvme_mi_mi;
static int ett_nvme_mi_admin;
static int ett_nvme_mi_admin_flags;
enum nvme_mi_type {
NVME_MI_TYPE_CONTROL = 0x0,
NVME_MI_TYPE_MI = 0x1,
NVME_MI_TYPE_ADMIN = 0x2,
NVME_MI_TYPE_PCIE = 0x4,
};
struct nvme_mi_command {
bool init;
enum nvme_mi_type type;
unsigned opcode;
uint32_t req_frame;
uint32_t resp_frame;
nstime_t req_time;
};
struct nvme_mi_conv_info {
struct nvme_mi_command command_slots[2];
};
static const value_string mi_mctp_type_vals[] = {
{ 4, "NVMe-MI" },
{ 0, NULL },
};
static const value_string mi_type_vals[] = {
{ NVME_MI_TYPE_CONTROL, "Control primitive" },
{ NVME_MI_TYPE_MI, "MI command" },
{ NVME_MI_TYPE_ADMIN, "NVMe Admin command" },
{ NVME_MI_TYPE_PCIE, "PCIe command" },
{ 0, NULL },
};
static const value_string mi_opcode_vals[] = {
{ 0x00, "Read NVMe-MI Data Structure" },
{ 0x01, "NVM Subsystem Health Status Poll" },
{ 0x02, "Controller Health Status Poll" },
{ 0x03, "Configuration Set" },
{ 0x04, "Configuration Get" },
{ 0, NULL },
};
static const value_string admin_opcode_vals[] = {
{ 0x00, "Delete I/O Submission Queue" },
{ 0x01, "Create I/O Submission Queue" },
{ 0x02, "Get Log Page" },
{ 0x04, "Delete I/O Completion Queue" },
{ 0x05, "Create I/O Completion Queue" },
{ 0x06, "Identify" },
{ 0x09, "Set Features" },
{ 0x0a, "Get Features" },
{ 0x0d, "Namespace Management" },
{ 0x10, "Firmware Commit" },
{ 0x11, "Firmware Image Download" },
{ 0x80, "Format NVM" },
{ 0x81, "Security Send" },
{ 0x82, "Security Receive" },
{ 0, NULL },
};
static const true_false_string tfs_meb = { "data in MEB", "data in message" };
static int
dissect_nvme_mi_mi(tvbuff_t *tvb, bool resp, struct nvme_mi_command *cmd,
proto_tree *tree)
{
proto_item *it, *it2;
proto_tree *mi_tree;
it = proto_tree_add_item(tree, proto_nvme_mi, tvb, 0, -1, ENC_NA);
mi_tree = proto_item_add_subtree(it, ett_nvme_mi_mi);
if (!resp) {
proto_tree_add_item_ret_uint(mi_tree, hf_nvme_mi_mi_opcode,
tvb, 0, 1, ENC_NA, &cmd->opcode);
proto_tree_add_item(mi_tree, hf_nvme_mi_mi_cdw0,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(mi_tree, hf_nvme_mi_mi_cdw1,
tvb, 8, 4, ENC_LITTLE_ENDIAN);
if (tvb_reported_length(tvb) > 12)
proto_tree_add_item(mi_tree, hf_nvme_mi_mi_data,
tvb, 12, -1, ENC_NA);
} else {
it2 = proto_tree_add_uint(mi_tree, hf_nvme_mi_mi_opcode,
tvb, 0, 0, cmd->opcode);
proto_item_set_generated(it2);
proto_tree_add_item(mi_tree, hf_nvme_mi_mi_status,
tvb, 0, 1, ENC_NA);
proto_tree_add_item(mi_tree, hf_nvme_mi_mi_nmresp,
tvb, 1, 3, ENC_LITTLE_ENDIAN);
if (tvb_reported_length(tvb) > 4)
proto_tree_add_item(mi_tree, hf_nvme_mi_mi_data,
tvb, 4, -1, ENC_NA);
}
return 0;
}
static int
dissect_nvme_mi_admin(tvbuff_t *tvb, bool resp, struct nvme_mi_command *cmd,
proto_tree *tree)
{
proto_tree *admin_tree;
proto_item *it, *it2;
it = proto_tree_add_item(tree, proto_nvme_mi, tvb, 0, -1, ENC_NA);
admin_tree = proto_item_add_subtree(it, ett_nvme_mi_admin);
proto_item_set_text(it, "NVMe Admin %s",
resp ? "response" : "request");
if (resp) {
it2 = proto_tree_add_uint(admin_tree, hf_nvme_mi_admin_opcode,
tvb, 0, 0, cmd->opcode);
proto_item_set_generated(it2);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_status,
tvb, 0, 1, ENC_NA);
if (tvb_reported_length(tvb) >= 16) {
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_cqe1,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_cqe2,
tvb, 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_cqe3,
tvb, 12, 4, ENC_LITTLE_ENDIAN);
}
if (tvb_reported_length(tvb) > 16)
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_data,
tvb, 16, -1, ENC_NA);
} else {
static int * const nvme_mi_admin_flags[] = {
&hf_nvme_mi_admin_flags_doff,
&hf_nvme_mi_admin_flags_dlen,
NULL,
};
proto_tree_add_item_ret_uint(admin_tree, hf_nvme_mi_admin_opcode,
tvb, 0, 1, ENC_NA, &cmd->opcode);
proto_tree_add_bitmask(admin_tree, tvb, 1, hf_nvme_mi_admin_flags,
ett_nvme_mi_admin_flags, nvme_mi_admin_flags,
ENC_NA);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_ctrl_id,
tvb, 2, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe1,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe2,
tvb, 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe3,
tvb, 12, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe4,
tvb, 16, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe5,
tvb, 20, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_doff,
tvb, 24, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_dlen,
tvb, 28, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_resv0,
tvb, 32, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_resv1,
tvb, 36, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe10,
tvb, 40, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe11,
tvb, 44, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe12,
tvb, 48, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe13,
tvb, 52, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe14,
tvb, 56, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_sqe15,
tvb, 60, 4, ENC_LITTLE_ENDIAN);
if (tvb_reported_length(tvb) > 64)
proto_tree_add_item(admin_tree, hf_nvme_mi_admin_data,
tvb, 64, -1, ENC_NA);
}
return 0;
}
static int
dissect_nvme_mi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
void *data _U_)
{
proto_tree *nvme_mi_tree, *nvme_mi_hdr_tree;
struct nvme_mi_conv_info *mi_conv;
unsigned len, payload_len, type;
bool resp, mic_enabled;
proto_item *ti, *it2;
conversation_t *conv;
tvbuff_t *sub_tvb;
uint32_t mic = 0;
unsigned csi;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NVMe-MI");
col_clear(pinfo->cinfo, COL_INFO);
/* Check that the packet is long enough for it to belong to us. */
len = tvb_reported_length(tvb);
if (len < 4) {
col_add_fstr(pinfo->cinfo, COL_INFO, "Bogus length %u, minimum %u",
len, 4);
return tvb_captured_length(tvb);
}
ti = proto_tree_add_item(tree, proto_nvme_mi, tvb, 0, -1, ENC_NA);
nvme_mi_tree = proto_item_add_subtree(ti, ett_nvme_mi);
ti = proto_tree_add_item(nvme_mi_tree, proto_nvme_mi, tvb, 0, 4, ENC_NA);
proto_item_set_text(ti, "NVMe-MI header");
nvme_mi_hdr_tree = proto_item_add_subtree(ti, ett_nvme_mi_hdr);
proto_tree_add_item(nvme_mi_hdr_tree, hf_nvme_mi_mctp_mt,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item_ret_boolean(nvme_mi_hdr_tree, hf_nvme_mi_mctp_ic,
tvb, 0, 4, ENC_LITTLE_ENDIAN, &mic_enabled);
proto_tree_add_item_ret_uint(nvme_mi_hdr_tree, hf_nvme_mi_csi,
tvb, 0, 4, ENC_LITTLE_ENDIAN, &csi);
proto_tree_add_item_ret_uint(nvme_mi_hdr_tree, hf_nvme_mi_type,
tvb, 0, 4, ENC_LITTLE_ENDIAN, &type);
proto_tree_add_item_ret_boolean(nvme_mi_hdr_tree, hf_nvme_mi_ror,
tvb, 0, 4, ENC_LITTLE_ENDIAN, &resp);
proto_tree_add_item(nvme_mi_hdr_tree, hf_nvme_mi_meb,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
payload_len = tvb_reported_length(tvb) - 4;
if (mic_enabled) {
mic = ~crc32c_tvb_offset_calculate(tvb, 0, payload_len, 0xffffffff);
payload_len -= 4;
}
col_add_fstr(pinfo->cinfo, COL_INFO, "NVMe-MI %s %s",
val_to_str_const(type, mi_type_vals, "command"),
tfs_get_string(resp, &tfs_response_request));
conv = find_or_create_conversation(pinfo);
mi_conv = conversation_get_proto_data(conv, proto_nvme_mi);
if (!mi_conv) {
mi_conv = wmem_new0(wmem_file_scope(), struct nvme_mi_conv_info);
conversation_add_proto_data(conv, proto_nvme_mi, mi_conv);
}
struct nvme_mi_command *cmd = &mi_conv->command_slots[csi];
if (resp) {
if (cmd->req_frame) {
nstime_t ns;
nstime_delta(&ns, &pinfo->fd->abs_ts, &cmd->req_time);
it2 = proto_tree_add_uint(nvme_mi_tree, hf_nvme_mi_response_to,
tvb, 0, 0, cmd->req_frame);
proto_item_set_generated(it2);
it2 = proto_tree_add_time(nvme_mi_tree, hf_nvme_mi_response_time,
tvb, 0, 0, &ns);
proto_item_set_generated(it2);
} else {
/* TODO: no request frame available? */
}
cmd->resp_frame = pinfo->num;
} else {
if (cmd->resp_frame) {
it2 = proto_tree_add_uint(nvme_mi_tree, hf_nvme_mi_response_in,
tvb, 0, 0, cmd->resp_frame);
proto_item_set_generated(it2);
}
cmd->type = type;
cmd->opcode = 0;
cmd->init = true;
cmd->req_frame = pinfo->num;
cmd->req_time = pinfo->fd->abs_ts;
}
sub_tvb = tvb_new_subset_length(tvb, 4, payload_len);
switch (type) {
case NVME_MI_TYPE_MI:
dissect_nvme_mi_mi(sub_tvb, resp, cmd, nvme_mi_tree);
break;
case NVME_MI_TYPE_ADMIN:
dissect_nvme_mi_admin(sub_tvb, resp, cmd, nvme_mi_tree);
break;
default:
break;
}
if (mic_enabled)
proto_tree_add_checksum(nvme_mi_tree, tvb, payload_len + 4,
hf_nvme_mi_mic, -1, NULL, pinfo, mic,
ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY);
return tvb_captured_length(tvb);
}
void
proto_register_nvme_mi(void)
{
/* *INDENT-OFF* */
/* Field definitions */
static hf_register_info hf[] = {
/* base MI header */
{ &hf_nvme_mi_mctp_mt,
{ "MCTP message type", "nvme-mi.mctp-mt",
FT_UINT32, BASE_HEX, VALS(mi_mctp_type_vals), 0x7f,
NULL, HFILL },
},
{ &hf_nvme_mi_mctp_ic,
{ "MCTP IC", "nvme-mi.mctp-ic",
FT_BOOLEAN, 32, NULL, 0x00000080,
NULL, HFILL },
},
{ &hf_nvme_mi_csi,
{ "CSI", "nvme-mi.csi",
FT_UINT32, BASE_DEC, NULL, 0x00000100,
NULL, HFILL },
},
{ &hf_nvme_mi_type,
{ "Type", "nvme-mi.type",
FT_UINT32, BASE_HEX, VALS(mi_type_vals), 0x00007800,
NULL, HFILL },
},
{ &hf_nvme_mi_ror,
{ "ROR", "nvme-mi.ror",
FT_BOOLEAN, 32, TFS(&tfs_response_request), 0x00008000,
NULL, HFILL },
},
{ &hf_nvme_mi_meb,
{ "MEB", "nvme-mi.meb",
FT_BOOLEAN, 32, TFS(&tfs_meb), 0x00010000,
NULL, HFILL },
},
{ &hf_nvme_mi_mic,
{ "Message Integrity Check", "nvme-mi.mic",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
/* meta */
{ &hf_nvme_mi_response_in,
{ "Response In", "nvme-mi.response_in",
FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_RESPONSE), 0x0,
"The response to this NVMe-MI request is in this frame", HFILL }
},
{ &hf_nvme_mi_response_to,
{ "Request In", "nvme-mi.response_to",
FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_REQUEST), 0x0,
"This is a response to the NVMe-MI request in this frame", HFILL }
},
{ &hf_nvme_mi_response_time,
{ "Response Time", "nvme-mi.response_time",
FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0,
"The time between the request and the response", HFILL }
},
/* MI commands */
{ &hf_nvme_mi_mi_opcode,
{ "Opcode", "nvme-mi.mi.opcode",
FT_UINT8, BASE_HEX, VALS(mi_opcode_vals), 0,
NULL, HFILL },
},
{ &hf_nvme_mi_mi_cdw0,
{ "Command dword 0", "nvme-mi.mi.cdw0",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_mi_cdw1,
{ "Command dword 1", "nvme-mi.mi.cdw1",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_mi_status,
{ "Status", "nvme-mi.mi.status",
FT_UINT8, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_mi_nmresp,
{ "Management Response", "nvme-mi.mi.nmresp",
FT_UINT24, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_mi_data,
{ "Data", "nvme-mi.mi.data",
FT_BYTES, SEP_SPACE, NULL, 0,
NULL, HFILL },
},
/* Admin commands */
{ &hf_nvme_mi_admin_opcode,
{ "Opcode", "nvme-mi.admin.opcode",
FT_UINT8, BASE_HEX, VALS(admin_opcode_vals), 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_status,
{ "Status", "nvme-mi.admin.status",
FT_UINT8, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_flags,
{ "Command Flags", "nvme-mi.admin.flags",
FT_UINT8, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_flags_dlen,
{ "Use Data Length", "nvme-mi.admin.flags.dlen",
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x1,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_flags_doff,
{ "Use Data Offset", "nvme-mi.admin.flags.doff",
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x2,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_ctrl_id,
{ "Controller ID", "nvme-mi.admin.ctrl-id",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe1,
{ "Submission Queue Entry dword 1", "nvme-mi.admin.sqe1",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe2,
{ "Submission Queue Entry dword 2", "nvme-mi.admin.sqe2",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe3,
{ "Submission Queue Entry dword 3", "nvme-mi.admin.sqe3",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe4,
{ "Submission Queue Entry dword 4", "nvme-mi.admin.sqe4",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe5,
{ "Submission Queue Entry dword 5", "nvme-mi.admin.sqe5",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_doff,
{ "Data Offset", "nvme-mi.admin.doff",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_dlen,
{ "Data Length", "nvme-mi.admin.dlen",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_resv0,
{ "Reserved", "nvme-mi.admin.reserved",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_resv1,
{ "Reserved", "nvme-mi.admin.reserved",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe10,
{ "Submission Queue Entry dword 10", "nvme-mi.admin.sqe10",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe11,
{ "Submission Queue Entry dword 11", "nvme-mi.admin.sqe11",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe12,
{ "Submission Queue Entry dword 12", "nvme-mi.admin.sqe12",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe13,
{ "Submission Queue Entry dword 13", "nvme-mi.admin.sqe13",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe14,
{ "Submission Queue Entry dword 14", "nvme-mi.admin.sqe14",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_sqe15,
{ "Submission Queue Entry dword 15", "nvme-mi.admin.sqe15",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_cqe1,
{ "Completion Queue Entry dword 1", "nvme-mi.admin.cqe1",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_cqe2,
{ "Completion Queue Entry dword 2", "nvme-mi.admin.cqe2",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_cqe3,
{ "Completion Queue Entry dword 3", "nvme-mi.admin.cqe3",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL },
},
{ &hf_nvme_mi_admin_data,
{ "Data", "nvme-mi.admin.data",
FT_BYTES, SEP_SPACE, NULL, 0,
NULL, HFILL },
},
};
/* protocol subtree */
static int *ett[] = {
&ett_nvme_mi,
&ett_nvme_mi_hdr,
&ett_nvme_mi_mi,
&ett_nvme_mi_admin,
&ett_nvme_mi_admin_flags,
};
proto_nvme_mi = proto_register_protocol("NVMe-MI", "NVMe-MI", "nvme-mi");
proto_register_field_array(proto_nvme_mi, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_nvme_mi(void)
{
dissector_handle_t nvme_mi_handle;
nvme_mi_handle = create_dissector_handle(dissect_nvme_mi, proto_nvme_mi);
dissector_add_uint("mctp.type", MCTP_TYPE_NVME, nvme_mi_handle);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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