110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
/* packet-nvme.h
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* data structures for NVMe Dissection
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* Copyright 2016
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* Code by Parav Pandit
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef _PACKET_NVME_H_
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#define _PACKET_NVME_H_
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#define NVME_CMD_SIZE 64
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#define NVME_CQE_SIZE 16
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struct nvme_q_ctx {
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wmem_tree_t *pending_cmds;
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wmem_tree_t *done_cmds;
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wmem_tree_t *data_requests;
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wmem_tree_t *data_responses;
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guint16 qid;
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};
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struct nvme_cmd_ctx {
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guint32 cmd_pkt_num; /* pkt number of the cmd */
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guint32 cqe_pkt_num; /* pkt number of the cqe */
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guint32 data_req_pkt_num;
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guint32 data_resp_pkt_num;
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nstime_t cmd_start_time;
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nstime_t cmd_end_time;
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gboolean fabric; /* indicate whether cmd fabric type or not */
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guint8 opcode;
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guint32 remote_key;
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guint16 resp_type;
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};
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void
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nvme_publish_qid(proto_tree *tree, int field_index, guint16 qid);
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void
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nvme_publish_cmd_latency(proto_tree *tree, struct nvme_cmd_ctx *cmd_ctx,
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int field_index);
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void
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nvme_publish_cqe_to_cmd_link(proto_tree *cqe_tree, tvbuff_t *cqe_tvb,
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int hf_index, struct nvme_cmd_ctx *cmd_ctx);
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void
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nvme_publish_cmd_to_cqe_link(proto_tree *cmd_tree, tvbuff_t *cqe_tvb,
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int hf_index, struct nvme_cmd_ctx *cmd_ctx);
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void nvme_update_cmd_end_info(packet_info *pinfo, struct nvme_cmd_ctx *cmd_ctx);
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void
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nvme_add_cmd_to_pending_list(packet_info *pinfo, struct nvme_q_ctx *q_ctx,
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struct nvme_cmd_ctx *cmd_ctx,
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void *ctx, guint16 cmd_id);
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void* nvme_lookup_cmd_in_pending_list(struct nvme_q_ctx *q_ctx, guint16 cmd_id);
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void nvme_add_data_request(packet_info *pinfo, struct nvme_q_ctx *q_ctx,
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struct nvme_cmd_ctx *cmd_ctx, void *ctx);
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void* nvme_lookup_data_request(struct nvme_q_ctx *q_ctx, guint32 key);
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void
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nvme_add_data_response(struct nvme_q_ctx *q_ctx,
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struct nvme_cmd_ctx *cmd_ctx, guint32 rkey);
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void*
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nvme_lookup_data_response(packet_info *pinfo, struct nvme_q_ctx *q_ctx,
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guint32 rkey);
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void
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nvme_add_cmd_cqe_to_done_list(struct nvme_q_ctx *q_ctx,
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struct nvme_cmd_ctx *cmd_ctx, guint16 cmd_id);
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void*
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nvme_lookup_cmd_in_done_list(packet_info *pinfo, struct nvme_q_ctx *q_ctx,
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guint16 cmd_id);
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void dissect_nvme_cmd_sgl(tvbuff_t *cmd_tvb, proto_tree *cmd_tree,
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int field_index, struct nvme_cmd_ctx *cmd_ctx);
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void
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dissect_nvme_cmd(tvbuff_t *nvme_tvb, packet_info *pinfo, proto_tree *root_tree,
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struct nvme_q_ctx *q_ctx, struct nvme_cmd_ctx *cmd_ctx);
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void
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dissect_nvme_data_response(tvbuff_t *nvme_tvb, packet_info *pinfo, proto_tree *root_tree,
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struct nvme_q_ctx *q_ctx, struct nvme_cmd_ctx *cmd_ctx, guint len);
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void
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dissect_nvme_cqe(tvbuff_t *nvme_tvb, packet_info *pinfo, proto_tree *root_tree,
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struct nvme_cmd_ctx *cmd_ctx);
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#endif
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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