NVMe: decode Async Event Req CQE.
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Constantine Gavrilov
Wireshark GitLab Utility
parent
9f9afc0e86
commit
9bce34ca67
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@ -622,6 +622,7 @@ static int hf_nvme_get_logpage_sanitize_rsvd = -1;
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/* NVMe CQE fields */
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static int hf_nvme_cqe_dword0 = -1;
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static int hf_nvme_cqe_aev_dword0[6] = { NEG_LST_6 };
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static int hf_nvme_cqe_dword0_sf_pm[4] = { NEG_LST_4 };
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static int hf_nvme_cqe_dword0_sf_lbart[3] = { NEG_LST_3 };
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static int hf_nvme_cqe_dword0_sf_nq[3] = { NEG_LST_3 };
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@ -1850,7 +1851,7 @@ static void dissect_nvme_identify_cmd(tvbuff_t *cmd_tvb, proto_tree *cmd_tree)
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}
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static const value_string logpage_tbl[] = {
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{ 0, "Reserved" },
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{ 0, "Unspecified" },
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{ 1, "Error Information" },
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{ 2, "SMART/Health Information" },
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{ 3, "Firmware Slot Information" },
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@ -1882,7 +1883,6 @@ static const char *get_logpage_name(guint lid)
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return "Vendor Specific Page";
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else
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return val_to_str_const(lid, logpage_tbl, "Reserved Page Name");
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}
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static void add_logpage_lid(gchar *result, guint32 val)
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@ -3832,6 +3832,51 @@ static const value_string nvme_cqe_sc_sf_err_dword0_tbl[] = {
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{ 0, NULL },
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};
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static const value_string nvme_cqe_aev_aet_dword0_tbl[] = {
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{ 0x0, "Error status" },
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{ 0x1, "SMART / Health status" },
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{ 0x2, "Notice" },
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{ 0x6, "IO Command Set specific status" },
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{ 0x7, "Vendor specific" },
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{ 0, NULL },
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};
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static const value_string nvme_cqe_aev_status_error_tbl[] = {
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{ 0x0, "Write to Invalid Doorbell Register" },
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{ 0x1, "Invalid Doorbell Write Value" },
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{ 0x2, "Diagnostic Failure" },
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{ 0x3, "Persistent Internal Error"},
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{ 0x3, "Transient Internal Error"},
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{ 0x4, "Persistent Internal Error"},
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{ 0x5, "Firmware Image Load Error"},
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{ 0, NULL },
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};
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static const value_string nvme_cqe_aev_status_smart_tbl[] = {
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{ 0x0, "NVM subsystem Reliability" },
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{ 0x1, "Temperature Threshold" },
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{ 0x2, "Spare Below Threshold" },
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{ 0, NULL },
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};
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static const value_string nvme_cqe_aev_status_notice_tbl[] = {
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{ 0x0, "Namespace Attribute Changed" },
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{ 0x1, "Firmware Activation Starting" },
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{ 0x2, "Telemetry Log Changed" },
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{ 0x3, "Asymmetric Namespace Access Change" },
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{ 0x4, "Predictable Latency Event Aggregate Log Change" },
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{ 0x5, "LBA Status Information Alert" },
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{ 0x6, "Endurance Group Event Aggregate Log Page Change" },
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{ 0, NULL },
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};
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static const value_string nvme_cqe_aev_status_nvm_tbl[] = {
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{ 0x0, "Reservation Log Page Available" },
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{ 0x1, "Sanitize Operation Completed" },
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{ 0x2, "Sanitize Operation Completed With Unexpected Deallocation" },
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{ 0, NULL },
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};
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static void decode_dword0_cqe(tvbuff_t *nvme_tvb, proto_tree *cqe_tree, struct nvme_cmd_ctx *cmd_ctx)
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{
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switch (cmd_ctx->opcode) {
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@ -3858,6 +3903,29 @@ static void decode_dword0_cqe(tvbuff_t *nvme_tvb, proto_tree *cqe_tree, struct n
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}
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break;
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}
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case NVME_AQ_OPC_ASYNC_EVE_REQ:
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{
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proto_item *ti;
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proto_tree *grp;
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guint i;
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guint8 aet;
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guint8 aei;
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ti = proto_tree_add_item(cqe_tree, hf_nvme_cqe_aev_dword0[0], nvme_tvb, 0, 4, ENC_LITTLE_ENDIAN);
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grp = proto_item_add_subtree(ti, ett_data);
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for (i = 1; i < 4; i++)
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ti = proto_tree_add_item(grp, hf_nvme_cqe_aev_dword0[i], nvme_tvb, 0, 4, ENC_LITTLE_ENDIAN);
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aet = tvb_get_guint8(nvme_tvb, 0) & 0x7;
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aei = tvb_get_guint8(nvme_tvb, 2);
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switch (aet) {
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case 0: proto_item_append_text(ti, " (%s)", val_to_str_const(aei, nvme_cqe_aev_status_error_tbl, "Unknown")); break;
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case 1: proto_item_append_text(ti, " (%s)", val_to_str_const(aei, nvme_cqe_aev_status_smart_tbl, "Unknown")); break;
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case 2: proto_item_append_text(ti, " (%s)", val_to_str_const(aei, nvme_cqe_aev_status_notice_tbl, "Unknown")); break;
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case 6: proto_item_append_text(ti, " (%s)", val_to_str_const(aei, nvme_cqe_aev_status_nvm_tbl, "Unknown")); break;
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}
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proto_tree_add_item(grp, hf_nvme_cqe_aev_dword0[4], nvme_tvb, 0, 4, ENC_LITTLE_ENDIAN);
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proto_tree_add_item(grp, hf_nvme_cqe_aev_dword0[5], nvme_tvb, 0, 4, ENC_LITTLE_ENDIAN);
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break;
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}
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default:
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proto_tree_add_item(cqe_tree, hf_nvme_cqe_dword0, nvme_tvb, 0, 4, ENC_LITTLE_ENDIAN);
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break;
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@ -7323,6 +7391,30 @@ proto_register_nvme(void)
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{ "Set Features Error Specific Code", "nvme.cqe.dword0.set_features.err",
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FT_UINT32, BASE_HEX, VALS(nvme_cqe_sc_sf_err_dword0_tbl), 0x0, NULL, HFILL}
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},
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{ &hf_nvme_cqe_aev_dword0[0],
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{ "DWORD0", "nvme.cqe.dword0.aev",
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FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}
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},
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{ &hf_nvme_cqe_aev_dword0[1],
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{ "Asynchronous Event Type", "nvme.cqe.dword0.aev.aet",
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FT_UINT32, BASE_HEX, VALS(nvme_cqe_aev_aet_dword0_tbl), 0x7, NULL, HFILL}
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},
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{ &hf_nvme_cqe_aev_dword0[2],
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{ "Reserved", "nvme.cqe.dword0.aev.rsvd0",
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FT_UINT32, BASE_HEX, NULL, 0xf8, NULL, HFILL}
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},
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{ &hf_nvme_cqe_aev_dword0[3],
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{ "Asynchronous Event Information", "nvme.cqe.dword0.aev.aei",
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FT_UINT32, BASE_HEX, NULL, 0xff00, NULL, HFILL}
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},
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{ &hf_nvme_cqe_aev_dword0[4],
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{ "Log Page Identifier", "nvme.cqe.dword0.aev.lpi",
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FT_UINT32, BASE_CUSTOM, CF_FUNC(add_logpage_lid), 0xff0000, NULL, HFILL}
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},
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{ &hf_nvme_cqe_aev_dword0[5],
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{ "Reserved", "nvme.cqe.dword0.aev.rsvd1",
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FT_UINT32, BASE_HEX, NULL, 0xff000000, NULL, HFILL}
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},
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{ &hf_nvme_cqe_dword0_sf_pm[0],
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{ "DWORD0: Set Feature Power Management Result", "nvme.cqe.dword0.set_features.pm",
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FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}
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