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/*
* osd_sense.h - OSD Related sense handling definitions.
*
* Copyright (C) 2008 Panasas Inc. All rights reserved.
*
* Authors:
* Boaz Harrosh <bharrosh@panasas.com>
* Benny Halevy <bhalevy@panasas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
*
* This file contains types and constants that are defined by the protocol
* Note: All names and symbols are taken from the OSD standard's text.
*/
#ifndef __OSD_SENSE_H__
#define __OSD_SENSE_H__
#include <scsi/osd_protocol.h>
/* SPC3r23 4.5.6 Sense key and sense code definitions table 27 */
enum scsi_sense_keys {
scsi_sk_no_sense = 0x0,
scsi_sk_recovered_error = 0x1,
scsi_sk_not_ready = 0x2,
scsi_sk_medium_error = 0x3,
scsi_sk_hardware_error = 0x4,
scsi_sk_illegal_request = 0x5,
scsi_sk_unit_attention = 0x6,
scsi_sk_data_protect = 0x7,
scsi_sk_blank_check = 0x8,
scsi_sk_vendor_specific = 0x9,
scsi_sk_copy_aborted = 0xa,
scsi_sk_aborted_command = 0xb,
scsi_sk_volume_overflow = 0xd,
scsi_sk_miscompare = 0xe,
scsi_sk_reserved = 0xf,
};
/* SPC3r23 4.5.6 Sense key and sense code definitions table 28 */
/* Note: only those which can be returned by an OSD target. Most of
* these errors are taken care of by the generic scsi layer.
*/
enum osd_additional_sense_codes {
scsi_no_additional_sense_information = 0x0000,
scsi_operation_in_progress = 0x0016,
scsi_cleaning_requested = 0x0017,
scsi_lunr_cause_not_reportable = 0x0400,
scsi_logical_unit_is_in_process_of_becoming_ready = 0x0401,
scsi_lunr_initializing_command_required = 0x0402,
scsi_lunr_manual_intervention_required = 0x0403,
scsi_lunr_operation_in_progress = 0x0407,
scsi_lunr_selftest_in_progress = 0x0409,
scsi_luna_asymmetric_access_state_transition = 0x040a,
scsi_luna_target_port_in_standby_state = 0x040b,
scsi_luna_target_port_in_unavailable_state = 0x040c,
scsi_lunr_notify_enable_spinup_required = 0x0411,
scsi_logical_unit_does_not_respond_to_selection = 0x0500,
scsi_logical_unit_communication_failure = 0x0800,
scsi_logical_unit_communication_timeout = 0x0801,
scsi_logical_unit_communication_parity_error = 0x0802,
scsi_error_log_overflow = 0x0a00,
scsi_warning = 0x0b00,
scsi_warning_specified_temperature_exceeded = 0x0b01,
scsi_warning_enclosure_degraded = 0x0b02,
scsi_write_error_unexpected_unsolicited_data = 0x0c0c,
scsi_write_error_not_enough_unsolicited_data = 0x0c0d,
scsi_invalid_information_unit = 0x0e00,
scsi_invalid_field_in_command_information_unit = 0x0e03,
scsi_read_error_failed_retransmission_request = 0x1113,
scsi_parameter_list_length_error = 0x1a00,
scsi_invalid_command_operation_code = 0x2000,
scsi_invalid_field_in_cdb = 0x2400,
osd_security_audit_value_frozen = 0x2404,
osd_security_working_key_frozen = 0x2405,
osd_nonce_not_unique = 0x2406,
osd_nonce_timestamp_out_of_range = 0x2407,
scsi_logical_unit_not_supported = 0x2500,
scsi_invalid_field_in_parameter_list = 0x2600,
scsi_parameter_not_supported = 0x2601,
scsi_parameter_value_invalid = 0x2602,
scsi_invalid_release_of_persistent_reservation = 0x2604,
osd_invalid_dataout_buffer_integrity_check_value = 0x260f,
scsi_not_ready_to_ready_change_medium_may_have_changed = 0x2800,
scsi_power_on_reset_or_bus_device_reset_occurred = 0x2900,
scsi_power_on_occurred = 0x2901,
scsi_scsi_bus_reset_occurred = 0x2902,
scsi_bus_device_reset_function_occurred = 0x2903,
scsi_device_internal_reset = 0x2904,
scsi_transceiver_mode_changed_to_single_ended = 0x2905,
scsi_transceiver_mode_changed_to_lvd = 0x2906,
scsi_i_t_nexus_loss_occurred = 0x2907,
scsi_parameters_changed = 0x2a00,
scsi_mode_parameters_changed = 0x2a01,
scsi_asymmetric_access_state_changed = 0x2a06,
scsi_priority_changed = 0x2a08,
scsi_command_sequence_error = 0x2c00,
scsi_previous_busy_status = 0x2c07,
scsi_previous_task_set_full_status = 0x2c08,
scsi_previous_reservation_conflict_status = 0x2c09,
osd_partition_or_collection_contains_user_objects = 0x2c0a,
scsi_commands_cleared_by_another_initiator = 0x2f00,
scsi_cleaning_failure = 0x3007,
scsi_enclosure_failure = 0x3400,
scsi_enclosure_services_failure = 0x3500,
scsi_unsupported_enclosure_function = 0x3501,
scsi_enclosure_services_unavailable = 0x3502,
scsi_enclosure_services_transfer_failure = 0x3503,
scsi_enclosure_services_transfer_refused = 0x3504,
scsi_enclosure_services_checksum_error = 0x3505,
scsi_rounded_parameter = 0x3700,
osd_read_past_end_of_user_object = 0x3b17,
scsi_logical_unit_has_not_self_configured_yet = 0x3e00,
scsi_logical_unit_failure = 0x3e01,
scsi_timeout_on_logical_unit = 0x3e02,
scsi_logical_unit_failed_selftest = 0x3e03,
scsi_logical_unit_unable_to_update_selftest_log = 0x3e04,
scsi_target_operating_conditions_have_changed = 0x3f00,
scsi_microcode_has_been_changed = 0x3f01,
scsi_inquiry_data_has_changed = 0x3f03,
scsi_echo_buffer_overwritten = 0x3f0f,
scsi_diagnostic_failure_on_component_nn_first = 0x4080,
scsi_diagnostic_failure_on_component_nn_last = 0x40ff,
scsi_message_error = 0x4300,
scsi_internal_target_failure = 0x4400,
scsi_select_or_reselect_failure = 0x4500,
scsi_scsi_parity_error = 0x4700,
scsi_data_phase_crc_error_detected = 0x4701,
scsi_scsi_parity_error_detected_during_st_data_phase = 0x4702,
scsi_asynchronous_information_protection_error_detected = 0x4704,
scsi_protocol_service_crc_error = 0x4705,
scsi_phy_test_function_in_progress = 0x4706,
scsi_invalid_message_error = 0x4900,
scsi_command_phase_error = 0x4a00,
scsi_data_phase_error = 0x4b00,
scsi_logical_unit_failed_self_configuration = 0x4c00,
scsi_overlapped_commands_attempted = 0x4e00,
osd_quota_error = 0x5507,
scsi_failure_prediction_threshold_exceeded = 0x5d00,
scsi_failure_prediction_threshold_exceeded_false = 0x5dff,
scsi_voltage_fault = 0x6500,
};
enum scsi_descriptor_types {
scsi_sense_information = 0x0,
scsi_sense_command_specific_information = 0x1,
scsi_sense_key_specific = 0x2,
scsi_sense_field_replaceable_unit = 0x3,
scsi_sense_stream_commands = 0x4,
scsi_sense_block_commands = 0x5,
osd_sense_object_identification = 0x6,
osd_sense_response_integrity_check = 0x7,
osd_sense_attribute_identification = 0x8,
scsi_sense_ata_return = 0x9,
scsi_sense_Reserved_first = 0x0A,
scsi_sense_Reserved_last = 0x7F,
scsi_sense_Vendor_specific_first = 0x80,
scsi_sense_Vendor_specific_last = 0xFF,
};
struct scsi_sense_descriptor { /* for picking into desc type */
u8 descriptor_type; /* one of enum scsi_descriptor_types */
u8 additional_length; /* n - 1 */
u8 data[];
} __packed;
/* OSD deploys only scsi descriptor_based sense buffers */
struct scsi_sense_descriptor_based {
/*0*/ u8 response_code; /* 0x72 or 0x73 */
/*1*/ u8 sense_key; /* one of enum scsi_sense_keys (4 lower bits) */
/*2*/ __be16 additional_sense_code; /* enum osd_additional_sense_codes */
/*4*/ u8 Reserved[3];
/*7*/ u8 additional_sense_length; /* n - 7 */
/*8*/ struct scsi_sense_descriptor ssd[0]; /* variable length, 1 or more */
} __packed;
/* some descriptors deployed by OSD */
/* SPC3r23 4.5.2.3 Command-specific information sense data descriptor */
/* Note: this is the same for descriptor_type=00 but with type=00 the
* Reserved[0] == 0x80 (ie. bit-7 set)
*/
struct scsi_sense_command_specific_data_descriptor {
/*0*/ u8 descriptor_type; /* (00h/01h) */
/*1*/ u8 additional_length; /* (0Ah) */
/*2*/ u8 Reserved[2];
/*4*/ __be64 information;
} __packed;
/*12*/
struct scsi_sense_key_specific_data_descriptor {
/*0*/ u8 descriptor_type; /* (02h) */
/*1*/ u8 additional_length; /* (06h) */
/*2*/ u8 Reserved[2];
/* SKSV, C/D, Reserved (2), BPV, BIT POINTER (3) */
/*4*/ u8 sksv_cd_bpv_bp;
/*5*/ __be16 value; /* field-pointer/progress-value/retry-count/... */
/*7*/ u8 Reserved2;
} __packed;
/*8*/
/* 4.16.2.1 OSD error identification sense data descriptor - table 52 */
/* Note: these bits are defined LE order for easy definition, this way the BIT()
* number is the same as in the documentation. Below members at
* osd_sense_identification_data_descriptor are therefore defined __le32.
*/
enum osd_command_functions_bits {
OSD_CFB_COMMAND = BIT(4),
OSD_CFB_CMD_CAP_VERIFIED = BIT(5),
OSD_CFB_VALIDATION = BIT(7),
OSD_CFB_IMP_ST_ATT = BIT(12),
OSD_CFB_SET_ATT = BIT(20),
OSD_CFB_SA_CAP_VERIFIED = BIT(21),
OSD_CFB_GET_ATT = BIT(28),
OSD_CFB_GA_CAP_VERIFIED = BIT(29),
};
struct osd_sense_identification_data_descriptor {
/*0*/ u8 descriptor_type; /* (06h) */
/*1*/ u8 additional_length; /* (1Eh) */
/*2*/ u8 Reserved[6];
/*8*/ __le32 not_initiated_functions; /*osd_command_functions_bits*/
/*12*/ __le32 completed_functions; /*osd_command_functions_bits*/
/*16*/ __be64 partition_id;
/*24*/ __be64 object_id;
} __packed;
/*32*/
struct osd_sense_response_integrity_check_descriptor {
/*0*/ u8 descriptor_type; /* (07h) */
/*1*/ u8 additional_length; /* (20h) */
/*2*/ u8 integrity_check_value[32]; /*FIXME: OSDv2_CRYPTO_KEYID_SIZE*/
} __packed;
/*34*/
struct osd_sense_attributes_data_descriptor {
/*0*/ u8 descriptor_type; /* (08h) */
/*1*/ u8 additional_length; /* (n-2) */
/*2*/ u8 Reserved[6];
struct osd_sense_attr {
/*8*/ __be32 attr_page;
/*12*/ __be32 attr_id;
/*16*/ } sense_attrs[0]; /* 1 or more */
} __packed;
/*variable*/
/* Dig into scsi_sk_illegal_request/scsi_invalid_field_in_cdb errors */
/*FIXME: Support also field in CAPS*/
#define OSD_CDB_OFFSET(F) offsetof(struct osd_cdb_head, F)
enum osdv2_cdb_field_offset {
OSDv1_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v1.start_address),
OSD_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v2.start_address),
OSD_CFO_PARTITION_ID = OSD_CDB_OFFSET(partition),
OSD_CFO_OBJECT_ID = OSD_CDB_OFFSET(object),
OSD_CFO_PERMISSIONS = sizeof(struct osd_cdb_head) +
offsetof(struct osd_capability_head,
permissions_bit_mask),
};
#endif /* ndef __OSD_SENSE_H__ */
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