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98f3aea2bd
Implementation of the osd_req_decode_sense() API. Can be called by
library users to decode what failed in command executions.
Add SCSI_OSD_DPRINT_SENSE Kconfig variable. Possible values are:
0 - Do not print any errors to messages file <KERN_ERR>
1 - (Default) Print only decoded errors that are not recoverable.
Recoverable errors are those that the target has complied with
the request but with a warning. For example read passed end of
object will return zeros after the last valid byte.
2- Print all errors.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
260 lines
9.8 KiB
C
260 lines
9.8 KiB
C
/*
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* osd_sense.h - OSD Related sense handling definitions.
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*
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* Copyright (C) 2008 Panasas Inc. All rights reserved.
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*
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* Authors:
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* Boaz Harrosh <bharrosh@panasas.com>
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* Benny Halevy <bhalevy@panasas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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*
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* This file contains types and constants that are defined by the protocol
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* Note: All names and symbols are taken from the OSD standard's text.
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*/
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#ifndef __OSD_SENSE_H__
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#define __OSD_SENSE_H__
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#include <scsi/osd_protocol.h>
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/* SPC3r23 4.5.6 Sense key and sense code definitions table 27 */
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enum scsi_sense_keys {
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scsi_sk_no_sense = 0x0,
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scsi_sk_recovered_error = 0x1,
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scsi_sk_not_ready = 0x2,
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scsi_sk_medium_error = 0x3,
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scsi_sk_hardware_error = 0x4,
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scsi_sk_illegal_request = 0x5,
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scsi_sk_unit_attention = 0x6,
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scsi_sk_data_protect = 0x7,
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scsi_sk_blank_check = 0x8,
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scsi_sk_vendor_specific = 0x9,
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scsi_sk_copy_aborted = 0xa,
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scsi_sk_aborted_command = 0xb,
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scsi_sk_volume_overflow = 0xd,
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scsi_sk_miscompare = 0xe,
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scsi_sk_reserved = 0xf,
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};
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/* SPC3r23 4.5.6 Sense key and sense code definitions table 28 */
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/* Note: only those which can be returned by an OSD target. Most of
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* these errors are taken care of by the generic scsi layer.
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*/
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enum osd_additional_sense_codes {
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scsi_no_additional_sense_information = 0x0000,
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scsi_operation_in_progress = 0x0016,
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scsi_cleaning_requested = 0x0017,
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scsi_lunr_cause_not_reportable = 0x0400,
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scsi_logical_unit_is_in_process_of_becoming_ready = 0x0401,
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scsi_lunr_initializing_command_required = 0x0402,
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scsi_lunr_manual_intervention_required = 0x0403,
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scsi_lunr_operation_in_progress = 0x0407,
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scsi_lunr_selftest_in_progress = 0x0409,
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scsi_luna_asymmetric_access_state_transition = 0x040a,
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scsi_luna_target_port_in_standby_state = 0x040b,
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scsi_luna_target_port_in_unavailable_state = 0x040c,
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scsi_lunr_notify_enable_spinup_required = 0x0411,
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scsi_logical_unit_does_not_respond_to_selection = 0x0500,
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scsi_logical_unit_communication_failure = 0x0800,
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scsi_logical_unit_communication_timeout = 0x0801,
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scsi_logical_unit_communication_parity_error = 0x0802,
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scsi_error_log_overflow = 0x0a00,
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scsi_warning = 0x0b00,
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scsi_warning_specified_temperature_exceeded = 0x0b01,
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scsi_warning_enclosure_degraded = 0x0b02,
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scsi_write_error_unexpected_unsolicited_data = 0x0c0c,
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scsi_write_error_not_enough_unsolicited_data = 0x0c0d,
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scsi_invalid_information_unit = 0x0e00,
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scsi_invalid_field_in_command_information_unit = 0x0e03,
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scsi_read_error_failed_retransmission_request = 0x1113,
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scsi_parameter_list_length_error = 0x1a00,
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scsi_invalid_command_operation_code = 0x2000,
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scsi_invalid_field_in_cdb = 0x2400,
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osd_security_audit_value_frozen = 0x2404,
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osd_security_working_key_frozen = 0x2405,
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osd_nonce_not_unique = 0x2406,
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osd_nonce_timestamp_out_of_range = 0x2407,
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scsi_logical_unit_not_supported = 0x2500,
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scsi_invalid_field_in_parameter_list = 0x2600,
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scsi_parameter_not_supported = 0x2601,
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scsi_parameter_value_invalid = 0x2602,
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scsi_invalid_release_of_persistent_reservation = 0x2604,
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osd_invalid_dataout_buffer_integrity_check_value = 0x260f,
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scsi_not_ready_to_ready_change_medium_may_have_changed = 0x2800,
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scsi_power_on_reset_or_bus_device_reset_occurred = 0x2900,
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scsi_power_on_occurred = 0x2901,
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scsi_scsi_bus_reset_occurred = 0x2902,
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scsi_bus_device_reset_function_occurred = 0x2903,
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scsi_device_internal_reset = 0x2904,
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scsi_transceiver_mode_changed_to_single_ended = 0x2905,
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scsi_transceiver_mode_changed_to_lvd = 0x2906,
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scsi_i_t_nexus_loss_occurred = 0x2907,
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scsi_parameters_changed = 0x2a00,
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scsi_mode_parameters_changed = 0x2a01,
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scsi_asymmetric_access_state_changed = 0x2a06,
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scsi_priority_changed = 0x2a08,
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scsi_command_sequence_error = 0x2c00,
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scsi_previous_busy_status = 0x2c07,
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scsi_previous_task_set_full_status = 0x2c08,
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scsi_previous_reservation_conflict_status = 0x2c09,
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osd_partition_or_collection_contains_user_objects = 0x2c0a,
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scsi_commands_cleared_by_another_initiator = 0x2f00,
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scsi_cleaning_failure = 0x3007,
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scsi_enclosure_failure = 0x3400,
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scsi_enclosure_services_failure = 0x3500,
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scsi_unsupported_enclosure_function = 0x3501,
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scsi_enclosure_services_unavailable = 0x3502,
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scsi_enclosure_services_transfer_failure = 0x3503,
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scsi_enclosure_services_transfer_refused = 0x3504,
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scsi_enclosure_services_checksum_error = 0x3505,
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scsi_rounded_parameter = 0x3700,
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osd_read_past_end_of_user_object = 0x3b17,
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scsi_logical_unit_has_not_self_configured_yet = 0x3e00,
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scsi_logical_unit_failure = 0x3e01,
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scsi_timeout_on_logical_unit = 0x3e02,
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scsi_logical_unit_failed_selftest = 0x3e03,
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scsi_logical_unit_unable_to_update_selftest_log = 0x3e04,
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scsi_target_operating_conditions_have_changed = 0x3f00,
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scsi_microcode_has_been_changed = 0x3f01,
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scsi_inquiry_data_has_changed = 0x3f03,
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scsi_echo_buffer_overwritten = 0x3f0f,
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scsi_diagnostic_failure_on_component_nn_first = 0x4080,
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scsi_diagnostic_failure_on_component_nn_last = 0x40ff,
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scsi_message_error = 0x4300,
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scsi_internal_target_failure = 0x4400,
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scsi_select_or_reselect_failure = 0x4500,
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scsi_scsi_parity_error = 0x4700,
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scsi_data_phase_crc_error_detected = 0x4701,
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scsi_scsi_parity_error_detected_during_st_data_phase = 0x4702,
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scsi_asynchronous_information_protection_error_detected = 0x4704,
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scsi_protocol_service_crc_error = 0x4705,
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scsi_phy_test_function_in_progress = 0x4706,
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scsi_invalid_message_error = 0x4900,
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scsi_command_phase_error = 0x4a00,
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scsi_data_phase_error = 0x4b00,
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scsi_logical_unit_failed_self_configuration = 0x4c00,
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scsi_overlapped_commands_attempted = 0x4e00,
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osd_quota_error = 0x5507,
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scsi_failure_prediction_threshold_exceeded = 0x5d00,
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scsi_failure_prediction_threshold_exceeded_false = 0x5dff,
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scsi_voltage_fault = 0x6500,
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};
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enum scsi_descriptor_types {
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scsi_sense_information = 0x0,
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scsi_sense_command_specific_information = 0x1,
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scsi_sense_key_specific = 0x2,
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scsi_sense_field_replaceable_unit = 0x3,
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scsi_sense_stream_commands = 0x4,
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scsi_sense_block_commands = 0x5,
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osd_sense_object_identification = 0x6,
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osd_sense_response_integrity_check = 0x7,
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osd_sense_attribute_identification = 0x8,
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scsi_sense_ata_return = 0x9,
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scsi_sense_Reserved_first = 0x0A,
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scsi_sense_Reserved_last = 0x7F,
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scsi_sense_Vendor_specific_first = 0x80,
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scsi_sense_Vendor_specific_last = 0xFF,
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};
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struct scsi_sense_descriptor { /* for picking into desc type */
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u8 descriptor_type; /* one of enum scsi_descriptor_types */
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u8 additional_length; /* n - 1 */
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u8 data[];
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} __packed;
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/* OSD deploys only scsi descriptor_based sense buffers */
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struct scsi_sense_descriptor_based {
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/*0*/ u8 response_code; /* 0x72 or 0x73 */
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/*1*/ u8 sense_key; /* one of enum scsi_sense_keys (4 lower bits) */
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/*2*/ __be16 additional_sense_code; /* enum osd_additional_sense_codes */
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/*4*/ u8 Reserved[3];
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/*7*/ u8 additional_sense_length; /* n - 7 */
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/*8*/ struct scsi_sense_descriptor ssd[0]; /* variable length, 1 or more */
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} __packed;
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/* some descriptors deployed by OSD */
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/* SPC3r23 4.5.2.3 Command-specific information sense data descriptor */
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/* Note: this is the same for descriptor_type=00 but with type=00 the
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* Reserved[0] == 0x80 (ie. bit-7 set)
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*/
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struct scsi_sense_command_specific_data_descriptor {
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/*0*/ u8 descriptor_type; /* (00h/01h) */
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/*1*/ u8 additional_length; /* (0Ah) */
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/*2*/ u8 Reserved[2];
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/*4*/ __be64 information;
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} __packed;
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/*12*/
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struct scsi_sense_key_specific_data_descriptor {
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/*0*/ u8 descriptor_type; /* (02h) */
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/*1*/ u8 additional_length; /* (06h) */
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/*2*/ u8 Reserved[2];
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/* SKSV, C/D, Reserved (2), BPV, BIT POINTER (3) */
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/*4*/ u8 sksv_cd_bpv_bp;
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/*5*/ __be16 value; /* field-pointer/progress-value/retry-count/... */
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/*7*/ u8 Reserved2;
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} __packed;
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/*8*/
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/* 4.16.2.1 OSD error identification sense data descriptor - table 52 */
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/* Note: these bits are defined LE order for easy definition, this way the BIT()
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* number is the same as in the documentation. Below members at
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* osd_sense_identification_data_descriptor are therefore defined __le32.
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*/
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enum osd_command_functions_bits {
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OSD_CFB_COMMAND = BIT(4),
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OSD_CFB_CMD_CAP_VERIFIED = BIT(5),
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OSD_CFB_VALIDATION = BIT(7),
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OSD_CFB_IMP_ST_ATT = BIT(12),
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OSD_CFB_SET_ATT = BIT(20),
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OSD_CFB_SA_CAP_VERIFIED = BIT(21),
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OSD_CFB_GET_ATT = BIT(28),
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OSD_CFB_GA_CAP_VERIFIED = BIT(29),
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};
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struct osd_sense_identification_data_descriptor {
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/*0*/ u8 descriptor_type; /* (06h) */
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/*1*/ u8 additional_length; /* (1Eh) */
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/*2*/ u8 Reserved[6];
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/*8*/ __le32 not_initiated_functions; /*osd_command_functions_bits*/
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/*12*/ __le32 completed_functions; /*osd_command_functions_bits*/
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/*16*/ __be64 partition_id;
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/*24*/ __be64 object_id;
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} __packed;
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/*32*/
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struct osd_sense_response_integrity_check_descriptor {
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/*0*/ u8 descriptor_type; /* (07h) */
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/*1*/ u8 additional_length; /* (20h) */
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/*2*/ u8 integrity_check_value[32]; /*FIXME: OSDv2_CRYPTO_KEYID_SIZE*/
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} __packed;
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/*34*/
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struct osd_sense_attributes_data_descriptor {
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/*0*/ u8 descriptor_type; /* (08h) */
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/*1*/ u8 additional_length; /* (n-2) */
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/*2*/ u8 Reserved[6];
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struct osd_sense_attr {
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/*8*/ __be32 attr_page;
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/*12*/ __be32 attr_id;
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/*16*/ } sense_attrs[0]; /* 1 or more */
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} __packed;
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/*variable*/
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/* Dig into scsi_sk_illegal_request/scsi_invalid_field_in_cdb errors */
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/*FIXME: Support also field in CAPS*/
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#define OSD_CDB_OFFSET(F) offsetof(struct osd_cdb_head, F)
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enum osdv2_cdb_field_offset {
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OSDv1_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v1.start_address),
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OSD_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v2.start_address),
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OSD_CFO_PARTITION_ID = OSD_CDB_OFFSET(partition),
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OSD_CFO_OBJECT_ID = OSD_CDB_OFFSET(object),
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};
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#endif /* ndef __OSD_SENSE_H__ */
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